Subtract 21/40 from 49/96
49/96 - 21/40 is -7/480.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 40 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 96 × 5 = 480,
49/96 = 49 × 5/96 × 5 = 245/480 - Likewise, for the 2nd fraction, since 40 × 12 = 480,
21/40 = 21 × 12/40 × 12 = 252/480 - Subtract the two like fractions:
245/480 - 252/480 = 245 - 252/480 = -7/480
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