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Subtract 63/80 from 56/15

1st number: 3 11/15, 2nd number: 63/80

56/15 - 63/80 is 707/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 80 is 240
  2. For the 1st fraction, since 15 × 16 = 240,
    56/15 = 56 × 16/15 × 16 = 896/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    63/80 = 63 × 3/80 × 3 = 189/240
  4. Subtract the two fractions:
    896/240 - 189/240 = 896 - 189/240 = 707/240
  5. In mixed form: 2227/240

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