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Subtract 56/49 from 15/18

1st number: 15/18, 2nd number: 1 7/49

15/18 - 56/49 is -13/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 49 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 18 × 49 = 882,
    15/18 = 15 × 49/18 × 49 = 735/882
  3. Likewise, for the 2nd fraction, since 49 × 18 = 882,
    56/49 = 56 × 18/49 × 18 = 1008/882
  4. Subtract the two like fractions:
    735/882 - 1008/882 = 735 - 1008/882 = -273/882
  5. After reducing the fraction, the answer is -13/42

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