Subtract 3/10 from 21/96
21/96 - 3/10 is -13/160.
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,
21/96 = 21 × 5/96 × 5 = 105/480 - Likewise, for the 2nd fraction, since 10 × 48 = 480,
3/10 = 3 × 48/10 × 48 = 144/480 - Subtract the two like fractions:
105/480 - 144/480 = 105 - 144/480 = -39/480 - After reducing the fraction, the answer is -13/160
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