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Subtract 12/8 from 7/28

1st number: 7/28, 2nd number: 1 4/8

7/28 - 12/8 is -5/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 28 × 2 = 56,
    7/28 = 7 × 2/28 × 2 = 14/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    12/8 = 12 × 7/8 × 7 = 84/56
  4. Subtract the two like fractions:
    14/56 - 84/56 = 14 - 84/56 = -70/56
  5. After reducing the fraction, the answer is -5/4

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