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Subtract 15/18 from 35/20

1st number: 1 15/20, 2nd number: 15/18

35/20 - 15/18 is 11/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    35/20 = 35 × 9/20 × 9 = 315/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    15/18 = 15 × 10/18 × 10 = 150/180
  4. Subtract the two like fractions:
    315/180 - 150/180 = 315 - 150/180 = 165/180
  5. After reducing the fraction, the answer is 11/12

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