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Subtract 56/20 from 8/28

1st number: 8/28, 2nd number: 2 16/20

8/28 - 56/20 is -88/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    8/28 = 8 × 5/28 × 5 = 40/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    56/20 = 56 × 7/20 × 7 = 392/140
  4. Subtract the two like fractions:
    40/140 - 392/140 = 40 - 392/140 = -352/140
  5. After reducing the fraction, the answer is -88/35

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