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Subtract 70/27 from 42/56

1st number: 42/56, 2nd number: 2 16/27

42/56 - 70/27 is -199/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 27 is 1512

    Next, find the equivalent fraction of both fractional numbers with denominator 1512
  2. For the 1st fraction, since 56 × 27 = 1512,
    42/56 = 42 × 27/56 × 27 = 1134/1512
  3. Likewise, for the 2nd fraction, since 27 × 56 = 1512,
    70/27 = 70 × 56/27 × 56 = 3920/1512
  4. Subtract the two like fractions:
    1134/1512 - 3920/1512 = 1134 - 3920/1512 = -2786/1512
  5. After reducing the fraction, the answer is -199/108

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