Subtract 7/18 from 28/98
28/98 - 7/18 is -13/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
28/98 = 28 × 9/98 × 9 = 252/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
7/18 = 7 × 49/18 × 49 = 343/882 - Subtract the two like fractions:
252/882 - 343/882 = 252 - 343/882 = -91/882 - After reducing the fraction, the answer is -13/126
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