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Subtract 9/70 from 4/7

4/7 - 9/70 is 31/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 7 × 10 = 70,
    4/7 = 4 × 10/7 × 10 = 40/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    9/70 = 9 × 1/70 × 1 = 9/70
  4. Subtract the two like fractions:
    40/70 - 9/70 = 40 - 9/70 = 31/70

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