Subtract 90/96 from 6/20
6/20 - 90/96 is -51/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 20 × 24 = 480,
6/20 = 6 × 24/20 × 24 = 144/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
90/96 = 90 × 5/96 × 5 = 450/480 - Subtract the two like fractions:
144/480 - 450/480 = 144 - 450/480 = -306/480 - After reducing the fraction, the answer is -51/80
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