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Subtract 3/7 from 15/2

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

15/2 - 3/7 is 99/14.

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,
    15/2 = 15 × 7/2 × 7 = 105/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    3/7 = 3 × 2/7 × 2 = 6/14
  4. Subtract the two like fractions:
    105/14 - 6/14 = 105 - 6/14 = 99/14
  5. In mixed form: 71/14

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