Subtract 30/49 from 12/56
12/56 - 30/49 is -39/98.
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,
12/56 = 12 × 7/56 × 7 = 84/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
30/49 = 30 × 8/49 × 8 = 240/392 - Subtract the two like fractions:
84/392 - 240/392 = 84 - 240/392 = -156/392 - After reducing the fraction, the answer is -39/98
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