Subtract 45/81 from 3/98
3/98 - 45/81 is -463/882.
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,
3/98 = 3 × 81/98 × 81 = 243/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
45/81 = 45 × 98/81 × 98 = 4410/7938 - Subtract the two like fractions:
243/7938 - 4410/7938 = 243 - 4410/7938 = -4167/7938 - After reducing the fraction, the answer is -463/882
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