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Subtract 45/8 from 42/14

1st number: 3 0/14, 2nd number: 5 5/8

42/14 - 45/8 is -21/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 14 × 4 = 56,
    42/14 = 42 × 4/14 × 4 = 168/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    45/8 = 45 × 7/8 × 7 = 315/56
  4. Subtract the two like fractions:
    168/56 - 315/56 = 168 - 315/56 = -147/56
  5. After reducing the fraction, the answer is -21/8

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