Subtract 18/98 from 9/56
9/56 - 18/98 is -9/392.
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,
9/56 = 9 × 7/56 × 7 = 63/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
18/98 = 18 × 4/98 × 4 = 72/392 - Subtract the two like fractions:
63/392 - 72/392 = 63 - 72/392 = -9/392
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