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Subtract 28/16 from 5/7

1st number: 5/7, 2nd number: 1 12/16

5/7 - 28/16 is -29/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 16 is 112
  2. For the 1st fraction, since 7 × 16 = 112,
    5/7 = 5 × 16/7 × 16 = 80/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    28/16 = 28 × 7/16 × 7 = 196/112
  4. Subtract the two fractions:
    80/112 - 196/112 = 80 - 196/112 = -116/112
  5. After reducing the fraction, the answer is -29/28

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