Subtract 9/12 from 3/27
3/27 - 9/12 is -23/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
3/27 = 3 × 4/27 × 4 = 12/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
9/12 = 9 × 9/12 × 9 = 81/108 - Subtract the two like fractions:
12/108 - 81/108 = 12 - 81/108 = -69/108 - After reducing the fraction, the answer is -23/36
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