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Subtract 9/80 from 10/12

10/12 - 9/80 is 173/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240
  2. For the 1st fraction, since 12 × 20 = 240,
    10/12 = 10 × 20/12 × 20 = 200/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    9/80 = 9 × 3/80 × 3 = 27/240
  4. Subtract the two fractions:
    200/240 - 27/240 = 200 - 27/240 = 173/240

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