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Subtract 45/15 from 45/56

1st number: 45/56, 2nd number: 3 0/15

45/56 - 45/15 is -123/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840
  2. For the 1st fraction, since 56 × 15 = 840,
    45/56 = 45 × 15/56 × 15 = 675/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    45/15 = 45 × 56/15 × 56 = 2520/840
  4. Subtract the two fractions:
    675/840 - 2520/840 = 675 - 2520/840 = -1845/840
  5. After reducing the fraction, the answer is -123/56

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