Subtract 45/98 from 18/56
18/56 - 45/98 is -27/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
18/56 = 18 × 7/56 × 7 = 126/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
45/98 = 45 × 4/98 × 4 = 180/392 - Subtract the two like fractions:
126/392 - 180/392 = 126 - 180/392 = -54/392 - After reducing the fraction, the answer is -27/196
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