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Subtract 80/7 from 70/80

1st number: 70/80, 2nd number: 11 3/7

70/80 - 80/7 is -591/56.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    70/80 = 70 × 7/80 × 7 = 490/560
  3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
    80/7 = 80 × 80/7 × 80 = 6400/560
  4. Subtract the two like fractions:
    490/560 - 6400/560 = 490 - 6400/560 = -5910/560
  5. After reducing the fraction, the answer is -591/56

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