Subtract 50/98 from 81/90
81/90 - 50/98 is 191/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
81/90 = 81 × 49/90 × 49 = 3969/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
50/98 = 50 × 45/98 × 45 = 2250/4410 - Subtract the two like fractions:
3969/4410 - 2250/4410 = 3969 - 2250/4410 = 1719/4410 - After reducing the fraction, the answer is 191/490
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