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Subtract 48/42 from 15/56

1st number: 15/56, 2nd number: 1 6/42

15/56 - 48/42 is -7/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 42 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 56 × 3 = 168,
    15/56 = 15 × 3/56 × 3 = 45/168
  3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
    48/42 = 48 × 4/42 × 4 = 192/168
  4. Subtract the two like fractions:
    45/168 - 192/168 = 45 - 192/168 = -147/168
  5. After reducing the fraction, the answer is -7/8

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