Subtract 21/56 from 30/98
30/98 - 21/56 is -27/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
30/98 = 30 × 4/98 × 4 = 120/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
21/56 = 21 × 7/56 × 7 = 147/392 - Subtract the two like fractions:
120/392 - 147/392 = 120 - 147/392 = -27/392
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