Subtract 4/12 from 7/27
7/27 - 4/12 is -2/27.
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,
7/27 = 7 × 4/27 × 4 = 28/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
4/12 = 4 × 9/12 × 9 = 36/108 - Subtract the two like fractions:
28/108 - 36/108 = 28 - 36/108 = -8/108 - After reducing the fraction, the answer is -2/27
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