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Subtract 15/18 from 20/16

1st number: 1 4/16, 2nd number: 15/18

20/16 - 15/18 is 5/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 18 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    20/16 = 20 × 9/16 × 9 = 180/144
  3. Likewise, for the 2nd fraction, since 18 × 8 = 144,
    15/18 = 15 × 8/18 × 8 = 120/144
  4. Subtract the two like fractions:
    180/144 - 120/144 = 180 - 120/144 = 60/144
  5. After reducing the fraction, the answer is 5/12

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