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Subtract 56/7 from 15/12

1st number: 1 3/12, 2nd number: 8 0/7

15/12 - 56/7 is -27/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    15/12 = 15 × 7/12 × 7 = 105/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    56/7 = 56 × 12/7 × 12 = 672/84
  4. Subtract the two like fractions:
    105/84 - 672/84 = 105 - 672/84 = -567/84
  5. After reducing the fraction, the answer is -27/4

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