Subtract 81/98 from 6/10
6/10 - 81/98 is -111/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
6/10 = 6 × 49/10 × 49 = 294/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
81/98 = 81 × 5/98 × 5 = 405/490 - Subtract the two like fractions:
294/490 - 405/490 = 294 - 405/490 = -111/490
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