Subtract 15/27 from 28/56
28/56 - 15/27 is -1/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
28/56 = 28 × 27/56 × 27 = 756/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
15/27 = 15 × 56/27 × 56 = 840/1512 - Subtract the two like fractions:
756/1512 - 840/1512 = 756 - 840/1512 = -84/1512 - After reducing the fraction, the answer is -1/18
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