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Subtract 15/7 from 3/2

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

3/2 - 15/7 is -9/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 7 is 14

    Next, find the equivalent fraction of both fractional numbers with denominator 14
  2. For the 1st fraction, since 2 × 7 = 14,
    3/2 = 3 × 7/2 × 7 = 21/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    15/7 = 15 × 2/7 × 2 = 30/14
  4. Subtract the two like fractions:
    21/14 - 30/14 = 21 - 30/14 = -9/14

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