Subtract 21/10 from 42/96
1st number: 42/96, 2nd number: 2 1/10
42/96 - 21/10 is -133/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 10 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 96 × 5 = 480,
42/96 = 42 × 5/96 × 5 = 210/480 - Likewise, for the 2nd fraction, since 10 × 48 = 480,
21/10 = 21 × 48/10 × 48 = 1008/480 - Subtract the two like fractions:
210/480 - 1008/480 = 210 - 1008/480 = -798/480 - After reducing the fraction, the answer is -133/80
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