Subtract 1/81 from 49/98
49/98 - 1/81 is 79/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 81 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 98 × 81 = 7938,
49/98 = 49 × 81/98 × 81 = 3969/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
1/81 = 1 × 98/81 × 98 = 98/7938 - Subtract the two like fractions:
3969/7938 - 98/7938 = 3969 - 98/7938 = 3871/7938 - After reducing the fraction, the answer is 79/162
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