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Subtract 16/56 from 3/30

3/30 - 16/56 is -13/70.

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,
    3/30 = 3 × 28/30 × 28 = 84/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    16/56 = 16 × 15/56 × 15 = 240/840
  4. Subtract the two like fractions:
    84/840 - 240/840 = 84 - 240/840 = -156/840
  5. After reducing the fraction, the answer is -13/70

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