Subtract 15/16 from 28/56
28/56 - 15/16 is -7/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 56 × 2 = 112,
28/56 = 28 × 2/56 × 2 = 56/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
15/16 = 15 × 7/16 × 7 = 105/112 - Subtract the two like fractions:
56/112 - 105/112 = 56 - 105/112 = -49/112 - After reducing the fraction, the answer is -7/16
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