Subtract 7/98 from 1/18
1/18 - 7/98 is -1/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
1/18 = 1 × 49/18 × 49 = 49/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
7/98 = 7 × 9/98 × 9 = 63/882 - Subtract the two like fractions:
49/882 - 63/882 = 49 - 63/882 = -14/882 - After reducing the fraction, the answer is -1/63
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