Subtract 40/49 from 21/96
21/96 - 40/49 is -937/1568.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 49 is 4704
Next, find the equivalent fraction of both fractional numbers with denominator 4704 - For the 1st fraction, since 96 × 49 = 4704,
21/96 = 21 × 49/96 × 49 = 1029/4704 - Likewise, for the 2nd fraction, since 49 × 96 = 4704,
40/49 = 40 × 96/49 × 96 = 3840/4704 - Subtract the two like fractions:
1029/4704 - 3840/4704 = 1029 - 3840/4704 = -2811/4704 - After reducing the fraction, the answer is -937/1568
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