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Subtract 90/56 from 42/98

1st number: 42/98, 2nd number: 1 34/56

42/98 - 90/56 is -33/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 56 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 98 × 4 = 392,
    42/98 = 42 × 4/98 × 4 = 168/392
  3. Likewise, for the 2nd fraction, since 56 × 7 = 392,
    90/56 = 90 × 7/56 × 7 = 630/392
  4. Subtract the two like fractions:
    168/392 - 630/392 = 168 - 630/392 = -462/392
  5. After reducing the fraction, the answer is -33/28

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