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Subtract 7/9 from 15/12

1st number: 1 3/12, 2nd number: 7/9

15/12 - 7/9 is 17/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36
  2. For the 1st fraction, since 12 × 3 = 36,
    15/12 = 15 × 3/12 × 3 = 45/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    7/9 = 7 × 4/9 × 4 = 28/36
  4. Subtract the two fractions:
    45/36 - 28/36 = 45 - 28/36 = 17/36

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