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Subtract 12/9 from 3/4

1st number: 3/4, 2nd number: 1 3/9

3/4 - 12/9 is -7/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    3/4 = 3 × 9/4 × 9 = 27/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    12/9 = 12 × 4/9 × 4 = 48/36
  4. Subtract the two like fractions:
    27/36 - 48/36 = 27 - 48/36 = -21/36
  5. After reducing the fraction, the answer is -7/12

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