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Subtract 49/80 from 12/7

1st number: 1 5/7, 2nd number: 49/80

12/7 - 49/80 is 617/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    12/7 = 12 × 80/7 × 80 = 960/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    49/80 = 49 × 7/80 × 7 = 343/560
  4. Subtract the two like fractions:
    960/560 - 343/560 = 960 - 343/560 = 617/560
  5. In mixed form: 157/560

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