Subtract 42/96 from 2/5
2/5 - 42/96 is -3/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 5 × 96 = 480,
2/5 = 2 × 96/5 × 96 = 192/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
42/96 = 42 × 5/96 × 5 = 210/480 - Subtract the two like fractions:
192/480 - 210/480 = 192 - 210/480 = -18/480 - After reducing the fraction, the answer is -3/80
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