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Subtract 3/15 from 6/56

6/56 - 3/15 is -13/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 56 × 15 = 840,
    6/56 = 6 × 15/56 × 15 = 90/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    3/15 = 3 × 56/15 × 56 = 168/840
  4. Subtract the two like fractions:
    90/840 - 168/840 = 90 - 168/840 = -78/840
  5. After reducing the fraction, the answer is -13/140

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