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Subtract 24/54 from 81/30

1st number: 2 21/30, 2nd number: 24/54

81/30 - 24/54 is 203/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 30 × 9 = 270,
    81/30 = 81 × 9/30 × 9 = 729/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    24/54 = 24 × 5/54 × 5 = 120/270
  4. Subtract the two like fractions:
    729/270 - 120/270 = 729 - 120/270 = 609/270
  5. After reducing the fraction, the answer is 203/90
  6. In mixed form: 223/90

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