Subtract 18/49 from 40/56
40/56 - 18/49 is 17/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
40/56 = 40 × 7/56 × 7 = 280/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
18/49 = 18 × 8/49 × 8 = 144/392 - Subtract the two like fractions:
280/392 - 144/392 = 280 - 144/392 = 136/392 - After reducing the fraction, the answer is 17/49
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