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Subtract 12/56 from 6/30

6/30 - 12/56 is -1/70.

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,
    6/30 = 6 × 28/30 × 28 = 168/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    12/56 = 12 × 15/56 × 15 = 180/840
  4. Subtract the two like fractions:
    168/840 - 180/840 = 168 - 180/840 = -12/840
  5. After reducing the fraction, the answer is -1/70

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