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Subtract 12/7 from 7/70

1st number: 7/70, 2nd number: 1 5/7

7/70 - 12/7 is -113/70.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    7/70 = 7 × 1/70 × 1 = 7/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    12/7 = 12 × 10/7 × 10 = 120/70
  4. Subtract the two like fractions:
    7/70 - 120/70 = 7 - 120/70 = -113/70

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