Subtract 30/56 from 18/49
18/49 - 30/56 is -33/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
18/49 = 18 × 8/49 × 8 = 144/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
30/56 = 30 × 7/56 × 7 = 210/392 - Subtract the two like fractions:
144/392 - 210/392 = 144 - 210/392 = -66/392 - After reducing the fraction, the answer is -33/196
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