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Subtract 1/45 from 81/16

1st number: 5 1/16, 2nd number: 1/45

81/16 - 1/45 is 3629/720.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    81/16 = 81 × 45/16 × 45 = 3645/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    1/45 = 1 × 16/45 × 16 = 16/720
  4. Subtract the two like fractions:
    3645/720 - 16/720 = 3645 - 16/720 = 3629/720
  5. In mixed form: 529/720

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