Subtract 42/96 from 15/49
15/49 - 42/96 is -103/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 96 is 4704
Next, find the equivalent fraction of both fractional numbers with denominator 4704 - For the 1st fraction, since 49 × 96 = 4704,
15/49 = 15 × 96/49 × 96 = 1440/4704 - Likewise, for the 2nd fraction, since 96 × 49 = 4704,
42/96 = 42 × 49/96 × 49 = 2058/4704 - Subtract the two like fractions:
1440/4704 - 2058/4704 = 1440 - 2058/4704 = -618/4704 - After reducing the fraction, the answer is -103/784
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