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Subtract 7/9 from 27/15

1st number: 1 12/15, 2nd number: 7/9

27/15 - 7/9 is 46/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    27/15 = 27 × 3/15 × 3 = 81/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    7/9 = 7 × 5/9 × 5 = 35/45
  4. Subtract the two fractions:
    81/45 - 35/45 = 81 - 35/45 = 46/45
  5. In mixed form: 11/45

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