Subtract 28/32 from 15/28
15/28 - 28/32 is -19/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 28 × 8 = 224,
15/28 = 15 × 8/28 × 8 = 120/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
28/32 = 28 × 7/32 × 7 = 196/224 - Subtract the two like fractions:
120/224 - 196/224 = 120 - 196/224 = -76/224 - After reducing the fraction, the answer is -19/56
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