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Subtract 10/36 from 12/20

12/20 - 10/36 is 29/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    12/20 = 12 × 9/20 × 9 = 108/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    10/36 = 10 × 5/36 × 5 = 50/180
  4. Subtract the two like fractions:
    108/180 - 50/180 = 108 - 50/180 = 58/180
  5. After reducing the fraction, the answer is 29/90

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