Maths - Fractions, Decimals and Percentages

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  • Maths - Fractions, percentages and Decimals
    • Fractions
      • Multiplying
        • Multiply the top and bottom separately.
      • Dividing
        • Turn the 2nd fraction upside down and them multiply
      • Adding  and subtracting
        • The bottom has to be the same on both sides
    • Percentages
      • simple and compound interest
    • other
      • 1/2  - 0.5 - 50%
      • 1/4 - 0.25 - 25%
      • 3/4 - 0.75 - 75%
      • 1/3 - 0.03` - 33 1/3%
      • 2/3 - 0.6` - 66 2/3%
      • 1/10 - 0.1 - 10%
      • 2/10 - 0.2 - 20%
      • 1/5 - 0.2 - 20%
      • 2/5 - 0.4 - 40%
    • work out:
      • Fraction to decimal to percentages
        • 1. 1/2  is 1 divide by 2  = 0.5
        • 2.  multply it by 100 (0.5*100) = 50%
  • Decimals
    • Maths - Fractions, percentages and Decimals
      • Fractions
        • Multiplying
          • Multiply the top and bottom separately.
        • Dividing
          • Turn the 2nd fraction upside down and them multiply
        • Adding  and subtracting
          • The bottom has to be the same on both sides
      • Percentages
        • simple and compound interest
      • other
        • 1/2  - 0.5 - 50%
        • 1/4 - 0.25 - 25%
        • 3/4 - 0.75 - 75%
        • 1/3 - 0.03` - 33 1/3%
        • 2/3 - 0.6` - 66 2/3%
        • 1/10 - 0.1 - 10%
        • 2/10 - 0.2 - 20%
        • 1/5 - 0.2 - 20%
        • 2/5 - 0.4 - 40%
      • work out:
        • Fraction to decimal to percentages
          • 1. 1/2  is 1 divide by 2  = 0.5
          • 2.  multply it by 100 (0.5*100) = 50%

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