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Subtract 28/25 from 7/15

1st number: 7/15, 2nd number: 1 3/25

7/15 - 28/25 is -49/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 25 is 75

    Next, find the equivalent fraction of both fractional numbers with denominator 75
  2. For the 1st fraction, since 15 × 5 = 75,
    7/15 = 7 × 5/15 × 5 = 35/75
  3. Likewise, for the 2nd fraction, since 25 × 3 = 75,
    28/25 = 28 × 3/25 × 3 = 84/75
  4. Subtract the two like fractions:
    35/75 - 84/75 = 35 - 84/75 = -49/75

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