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Subtract 56/54 from 45/30

1st number: 1 15/30, 2nd number: 1 2/54

45/30 - 56/54 is 25/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 54 is 270
  2. For the 1st fraction, since 30 × 9 = 270,
    45/30 = 45 × 9/30 × 9 = 405/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    56/54 = 56 × 5/54 × 5 = 280/270
  4. Subtract the two fractions:
    405/270 - 280/270 = 405 - 280/270 = 125/270
  5. After reducing the fraction, the answer is 25/54

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