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Subtract 49/36 from 45/21

1st number: 2 3/21, 2nd number: 1 13/36

45/21 - 49/36 is 197/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 21 × 12 = 252,
    45/21 = 45 × 12/21 × 12 = 540/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    49/36 = 49 × 7/36 × 7 = 343/252
  4. Subtract the two like fractions:
    540/252 - 343/252 = 540 - 343/252 = 197/252

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