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Subtract 84/80 from 49/84

1st number: 49/84, 2nd number: 1 4/80

49/84 - 84/80 is -7/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    49/84 = 49 × 20/84 × 20 = 980/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    84/80 = 84 × 21/80 × 21 = 1764/1680
  4. Subtract the two like fractions:
    980/1680 - 1764/1680 = 980 - 1764/1680 = -784/1680
  5. After reducing the fraction, the answer is -7/15

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