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Subtract 49/56 from 9/30

9/30 - 49/56 is -23/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    9/30 = 9 × 28/30 × 28 = 252/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    49/56 = 49 × 15/56 × 15 = 735/840
  4. Subtract the two like fractions:
    252/840 - 735/840 = 252 - 735/840 = -483/840
  5. After reducing the fraction, the answer is -23/40

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