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Subtract 40/49 from 90/84

1st number: 1 6/84, 2nd number: 40/49

90/84 - 40/49 is 25/98.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 49 is 588
  2. For the 1st fraction, since 84 × 7 = 588,
    90/84 = 90 × 7/84 × 7 = 630/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    40/49 = 40 × 12/49 × 12 = 480/588
  4. Subtract the two fractions:
    630/588 - 480/588 = 630 - 480/588 = 150/588
  5. After reducing the fraction, the answer is 25/98

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