Subtract 28/32 from 1/15
1/15 - 28/32 is -97/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 15 × 32 = 480,
1/15 = 1 × 32/15 × 32 = 32/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
28/32 = 28 × 15/32 × 15 = 420/480 - Subtract the two like fractions:
32/480 - 420/480 = 32 - 420/480 = -388/480 - After reducing the fraction, the answer is -97/120
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