Subtract 48/90 from 81/98
81/98 - 48/90 is 431/1470.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
81/98 = 81 × 45/98 × 45 = 3645/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
48/90 = 48 × 49/90 × 49 = 2352/4410 - Subtract the two like fractions:
3645/4410 - 2352/4410 = 3645 - 2352/4410 = 1293/4410 - After reducing the fraction, the answer is 431/1470
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