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Subtract 7/80 from 8/70

8/70 - 7/80 is 3/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 80 is 560
  2. For the 1st fraction, since 70 × 8 = 560,
    8/70 = 8 × 8/70 × 8 = 64/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    7/80 = 7 × 7/80 × 7 = 49/560
  4. Subtract the two fractions:
    64/560 - 49/560 = 64 - 49/560 = 15/560
  5. After reducing the fraction, the answer is 3/112

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