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Subtract 20/14 from 15/28

1st number: 15/28, 2nd number: 1 6/14

15/28 - 20/14 is -25/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 14 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 28 × 1 = 28,
    15/28 = 15 × 1/28 × 1 = 15/28
  3. Likewise, for the 2nd fraction, since 14 × 2 = 28,
    20/14 = 20 × 2/14 × 2 = 40/28
  4. Subtract the two like fractions:
    15/28 - 40/28 = 15 - 40/28 = -25/28

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