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Subtract 72/5 from 15/28

1st number: 15/28, 2nd number: 14 2/5

15/28 - 72/5 is -1941/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 5 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    15/28 = 15 × 5/28 × 5 = 75/140
  3. Likewise, for the 2nd fraction, since 5 × 28 = 140,
    72/5 = 72 × 28/5 × 28 = 2016/140
  4. Subtract the two like fractions:
    75/140 - 2016/140 = 75 - 2016/140 = -1941/140

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