Subtract 12/32 from 3/15
3/15 - 12/32 is -7/40.
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,
3/15 = 3 × 32/15 × 32 = 96/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
12/32 = 12 × 15/32 × 15 = 180/480 - Subtract the two like fractions:
96/480 - 180/480 = 96 - 180/480 = -84/480 - After reducing the fraction, the answer is -7/40
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