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Subtract 81/30 from 32/56

1st number: 32/56, 2nd number: 2 21/30

32/56 - 81/30 is -149/70.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 56 × 15 = 840,
    32/56 = 32 × 15/56 × 15 = 480/840
  3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
    81/30 = 81 × 28/30 × 28 = 2268/840
  4. Subtract the two like fractions:
    480/840 - 2268/840 = 480 - 2268/840 = -1788/840
  5. After reducing the fraction, the answer is -149/70

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