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Subtract 10/8 from 2/7

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

2/7 - 10/8 is -27/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56
  2. For the 1st fraction, since 7 × 8 = 56,
    2/7 = 2 × 8/7 × 8 = 16/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    10/8 = 10 × 7/8 × 7 = 70/56
  4. Subtract the two fractions:
    16/56 - 70/56 = 16 - 70/56 = -54/56
  5. After reducing the fraction, the answer is -27/28

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