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Subtract 40/14 from 15/4

1st number: 3 3/4, 2nd number: 2 12/14

15/4 - 40/14 is 25/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 14 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    15/4 = 15 × 7/4 × 7 = 105/28
  3. Likewise, for the 2nd fraction, since 14 × 2 = 28,
    40/14 = 40 × 2/14 × 2 = 80/28
  4. Subtract the two like fractions:
    105/28 - 80/28 = 105 - 80/28 = 25/28

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