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Maths Gcse Wjec-Eduqas Foundation

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  1. Scatter-Graphs-And-Correlation Wjec-Eduqas Foundation
    2 主题
  2. Statistical-Diagrams- Wjec-Eduqas Foundation
    7 主题
  3. Statistics-Toolkit Wjec-Eduqas Foundation
    8 主题
  4. Tree-Diagrams-And-Combined-Probability Wjec-Eduqas Foundation
    2 主题
  5. Simple-Probability-Diagrams- Wjec-Eduqas Foundation
    4 主题
  6. Probability-Toolkit Wjec-Eduqas Foundation
    3 主题
  7. Transformations Wjec-Eduqas Foundation
    4 主题
  8. Vectors Wjec-Eduqas Foundation
    3 主题
  9. Pythagoras-And-Trigonometry Wjec-Eduqas Foundation
    5 主题
  10. Congruence-Similarity-And-Geometrical-Proof Wjec-Eduqas Foundation
    5 主题
  11. Volume-And-Surface-Area- Wjec-Eduqas Foundation
    3 主题
  12. Circles-Arcs-And-Sectors Wjec-Eduqas Foundation
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  13. Area-And-Perimeter Wjec-Eduqas Foundation
    4 主题
  14. Bearings-Scale-Drawing-Constructions-And-Loci- Wjec-Eduqas Foundation
    5 主题
  15. 2D-And-3D-Shapes Wjec-Eduqas Foundation
    4 主题
  16. Angles-In-Polygons-And-Parallel-Lines Wjec-Eduqas Foundation
    5 主题
  17. Geometry-Toolkit Wjec-Eduqas Foundation
    4 主题
  18. Exchange-Rates-And-Best-Buys Wjec-Eduqas Foundation
    2 主题
  19. Standard-And-Compound-Units- Wjec-Eduqas Foundation
    5 主题
  20. Direct-And-Inverse-Proportion- Wjec-Eduqas Foundation
    1 主题
  21. Ratio-Problem-Solving- Wjec-Eduqas Foundation
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  22. Ratio-Toolkit Wjec-Eduqas Foundation
    3 主题
  23. Sequences Wjec-Eduqas Foundation
    4 主题
  24. Solving-Inequalities- Wjec-Eduqas Foundation
    3 主题
  25. Real-Life-Graphs Wjec-Eduqas Foundation
    4 主题
  26. Graphs-Of-Functions Wjec-Eduqas Foundation
    3 主题
  27. Linear-Graphs Wjec-Eduqas Foundation
    3 主题
  28. Coordinate-Geometry Wjec-Eduqas Foundation
    3 主题
  29. Functions Wjec-Eduqas Foundation
    1 主题
  30. Forming-And-Solving-Equations Wjec-Eduqas Foundation
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  31. Simultaneous-Equations Wjec-Eduqas Foundation
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  32. Solving-Quadratic-Equations- Wjec-Eduqas Foundation
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  33. Linear-Equations Wjec-Eduqas Foundation
    3 主题
  34. Algebraic-Reasoning Wjec-Eduqas Foundation
    1 主题
  35. Rearranging-Formulae Wjec-Eduqas Foundation
    1 主题
  36. Factorising Wjec-Eduqas Foundation
    3 主题
  37. Expanding-Brackets Wjec-Eduqas Foundation
    2 主题
  38. Algebraic-Roots-And-Indices Wjec-Eduqas Foundation
    1 主题
  39. Algebra-Toolkit Wjec-Eduqas Foundation
    4 主题
  40. Using-A-Calculator Wjec-Eduqas Foundation
    1 主题
  41. Exact-Values Wjec-Eduqas Foundation
    1 主题
  42. Rounding-Estimation-And-Error-Intervals Wjec-Eduqas Foundation
    4 主题
  43. Fractions-Decimals-And-Percentages Wjec-Eduqas Foundation
    2 主题
  44. Simple-And-Compound-Interest-Growth-And-Decay Wjec-Eduqas Foundation
    4 主题
  45. Percentages Wjec-Eduqas Foundation
    5 主题
  46. Fractions Wjec-Eduqas Foundation
    6 主题
  47. Powers-Roots-And-Standard-Form Wjec-Eduqas Foundation
    4 主题
  48. Types-Of-Number-Prime-Factors-Hcf-And-Lcm- Wjec-Eduqas Foundation
    6 主题
  49. Number-Toolkit Wjec-Eduqas Foundation
    9 主题
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Exam code:C300

Multiplying fractions

How do I multiply two fractions?

  • Cancel any factors that are common to both the numerator and the denominator

    • The common factors could be in either of the fractions

    • 3 over 25 cross times 10 over 11 equals 3 over up diagonal strike 25 to the power of 5 cross times up diagonal strike 10 squared over 11 equals 3 over 5 cross times 2 over 11

  • Multiply

    • Multiply the numerators

    • Multiply the denominators

    • 3 over 5 cross times 2 over 11 equals fraction numerator 3 cross times 2 over denominator 5 cross times 11 end fraction equals 6 over 55

  • Cancel any common factors again if possible

How do I multiply two fractions if one is a mixed number?

  • Always convert mixed numbers into improper fractions before multiplying

    • Convert improper fractions back into mixed numbers at the end if required

Worked Example

Find 4 over 15 cross times 25 over 11.

The 15 and 25 can be cancelled before multiplying

<img alt=”fraction numerator 4 over denominator 3 cross times 5 end fraction cross times fraction numerator 5 cross times 5 over denominator 11 end fraction equals fraction numerator 4 over denominator 3 cross times up diagonal strike 5 end fraction cross times fraction numerator up diagonal strike 5 cross times 5 over denominator 11 end fraction equals 4 over 3 cross times 5 over 11″ data-mathml='<math ><semantics><mrow><mfrac ><mn>4</mn><mrow><mn>3</mn><mo>&#215;</mo><mn>5</mn></mrow></mfrac><mo >&#215;</mo><mfrac ><mrow><mn>5</mn><mo>&#215;</mo><mn>5</mn></mrow><mn>11</mn></mfrac><mo >=</mo><mfrac ><mn>4</mn><mrow><mn>3</mn><mo>&#215

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