Subtract 42/80 from 28/96
28/96 - 42/80 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 80 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 96 × 5 = 480,
28/96 = 28 × 5/96 × 5 = 140/480 - Likewise, for the 2nd fraction, since 80 × 6 = 480,
42/80 = 42 × 6/80 × 6 = 252/480 - Subtract the two like fractions:
140/480 - 252/480 = 140 - 252/480 = -112/480 - After reducing the fraction, the answer is -7/30
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