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Subtract 28/49 from 40/15

1st number: 2 10/15, 2nd number: 28/49

40/15 - 28/49 is 44/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 49 is 735

    Next, find the equivalent fraction of both fractional numbers with denominator 735
  2. For the 1st fraction, since 15 × 49 = 735,
    40/15 = 40 × 49/15 × 49 = 1960/735
  3. Likewise, for the 2nd fraction, since 49 × 15 = 735,
    28/49 = 28 × 15/49 × 15 = 420/735
  4. Subtract the two like fractions:
    1960/735 - 420/735 = 1960 - 420/735 = 1540/735
  5. After reducing the fraction, the answer is 44/21
  6. In mixed form: 22/21

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