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Subtract 18/49 from 81/16

1st number: 5 1/16, 2nd number: 18/49

81/16 - 18/49 is 3681/784.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 49 is 784
  2. For the 1st fraction, since 16 × 49 = 784,
    81/16 = 81 × 49/16 × 49 = 3969/784
  3. Likewise, for the 2nd fraction, since 49 × 16 = 784,
    18/49 = 18 × 16/49 × 16 = 288/784
  4. Subtract the two fractions:
    3969/784 - 288/784 = 3969 - 288/784 = 3681/784
  5. In mixed form: 4545/784

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