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Subtract 10/7 from 9/70

1st number: 9/70, 2nd number: 1 3/7

9/70 - 10/7 is -13/10.

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,
    9/70 = 9 × 1/70 × 1 = 9/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    10/7 = 10 × 10/7 × 10 = 100/70
  4. Subtract the two like fractions:
    9/70 - 100/70 = 9 - 100/70 = -91/70
  5. After reducing the fraction, the answer is -13/10

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