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Subtract 15/7 from 7/15

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

7/15 - 15/7 is -176/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    7/15 = 7 × 7/15 × 7 = 49/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    15/7 = 15 × 15/7 × 15 = 225/105
  4. Subtract the two like fractions:
    49/105 - 225/105 = 49 - 225/105 = -176/105

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