Subtract 21/98 from 1/9
1/9 - 21/98 is -13/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 9 × 98 = 882,
1/9 = 1 × 98/9 × 98 = 98/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
21/98 = 21 × 9/98 × 9 = 189/882 - Subtract the two like fractions:
98/882 - 189/882 = 98 - 189/882 = -91/882 - After reducing the fraction, the answer is -13/126
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