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Subtract 7/36 from 9/21

9/21 - 7/36 is 59/252.

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,
    9/21 = 9 × 12/21 × 12 = 108/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    7/36 = 7 × 7/36 × 7 = 49/252
  4. Subtract the two like fractions:
    108/252 - 49/252 = 108 - 49/252 = 59/252

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