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Subtract 63/80 from 10/70

10/70 - 63/80 is -361/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    10/70 = 10 × 8/70 × 8 = 80/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    63/80 = 63 × 7/80 × 7 = 441/560
  4. Subtract the two like fractions:
    80/560 - 441/560 = 80 - 441/560 = -361/560

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