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Subtract 1/16 from 21/18

1st number: 1 3/18, 2nd number: 1/16

21/18 - 1/16 is 53/48.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    21/18 = 21 × 8/18 × 8 = 168/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    1/16 = 1 × 9/16 × 9 = 9/144
  4. Subtract the two like fractions:
    168/144 - 9/144 = 168 - 9/144 = 159/144
  5. After reducing the fraction, the answer is 53/48
  6. In mixed form: 15/48

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