Subtract 42/96 from 30/80
30/80 - 42/96 is -1/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 80 × 6 = 480,
30/80 = 30 × 6/80 × 6 = 180/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
42/96 = 42 × 5/96 × 5 = 210/480 - Subtract the two like fractions:
180/480 - 210/480 = 180 - 210/480 = -30/480 - After reducing the fraction, the answer is -1/16
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