Subtract 30/32 from 3/15
3/15 - 30/32 is -59/80.
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,
30/32 = 30 × 15/32 × 15 = 450/480 - Subtract the two like fractions:
96/480 - 450/480 = 96 - 450/480 = -354/480 - After reducing the fraction, the answer is -59/80
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