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Subtract 80/49 from 21/12

1st number: 1 9/12, 2nd number: 1 31/49

21/12 - 80/49 is 23/196.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 12 × 49 = 588,
    21/12 = 21 × 49/12 × 49 = 1029/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    80/49 = 80 × 12/49 × 12 = 960/588
  4. Subtract the two like fractions:
    1029/588 - 960/588 = 1029 - 960/588 = 69/588
  5. After reducing the fraction, the answer is 23/196

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