Subtract 27/28 from 12/16
12/16 - 27/28 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
12/16 = 12 × 7/16 × 7 = 84/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
27/28 = 27 × 4/28 × 4 = 108/112 - Subtract the two like fractions:
84/112 - 108/112 = 84 - 108/112 = -24/112 - After reducing the fraction, the answer is -3/14
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