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Subtract 20/7 from 15/16

1st number: 15/16, 2nd number: 2 6/7

15/16 - 20/7 is -215/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 7 is 112
  2. For the 1st fraction, since 16 × 7 = 112,
    15/16 = 15 × 7/16 × 7 = 105/112
  3. Likewise, for the 2nd fraction, since 7 × 16 = 112,
    20/7 = 20 × 16/7 × 16 = 320/112
  4. Subtract the two fractions:
    105/112 - 320/112 = 105 - 320/112 = -215/112

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