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Subtract 28/8 from 10/7

1st number: 1 3/7, 2nd number: 3 4/8

10/7 - 28/8 is -29/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 7 × 8 = 56,
    10/7 = 10 × 8/7 × 8 = 80/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    28/8 = 28 × 7/8 × 7 = 196/56
  4. Subtract the two like fractions:
    80/56 - 196/56 = 80 - 196/56 = -116/56
  5. After reducing the fraction, the answer is -29/14

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