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Subtract 10/7 from 1/80

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

1/80 - 10/7 is -793/560.

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,
    1/80 = 1 × 7/80 × 7 = 7/560
  3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
    10/7 = 10 × 80/7 × 80 = 800/560
  4. Subtract the two like fractions:
    7/560 - 800/560 = 7 - 800/560 = -793/560

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