Subtract 28/56 from 1/49
1/49 - 28/56 is -47/98.
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,
1/49 = 1 × 8/49 × 8 = 8/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
28/56 = 28 × 7/56 × 7 = 196/392 - Subtract the two like fractions:
8/392 - 196/392 = 8 - 196/392 = -188/392 - After reducing the fraction, the answer is -47/98
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