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Subtract 90/84 from 42/98

1st number: 42/98, 2nd number: 1 6/84

42/98 - 90/84 is -9/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 84 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 98 × 6 = 588,
    42/98 = 42 × 6/98 × 6 = 252/588
  3. Likewise, for the 2nd fraction, since 84 × 7 = 588,
    90/84 = 90 × 7/84 × 7 = 630/588
  4. Subtract the two like fractions:
    252/588 - 630/588 = 252 - 630/588 = -378/588
  5. After reducing the fraction, the answer is -9/14

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