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Subtract 21/80 from 8/14

8/14 - 21/80 is 173/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560
  2. For the 1st fraction, since 14 × 40 = 560,
    8/14 = 8 × 40/14 × 40 = 320/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    21/80 = 21 × 7/80 × 7 = 147/560
  4. Subtract the two fractions:
    320/560 - 147/560 = 320 - 147/560 = 173/560

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