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Subtract 15/6 from 42/56

1st number: 42/56, 2nd number: 2 3/6

42/56 - 15/6 is -7/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 6 is 168
  2. For the 1st fraction, since 56 × 3 = 168,
    42/56 = 42 × 3/56 × 3 = 126/168
  3. Likewise, for the 2nd fraction, since 6 × 28 = 168,
    15/6 = 15 × 28/6 × 28 = 420/168
  4. Subtract the two fractions:
    126/168 - 420/168 = 126 - 420/168 = -294/168
  5. After reducing the fraction, the answer is -7/4

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