Subtract 21/75 from 90/98
90/98 - 21/75 is 782/1225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 75 is 7350
Next, find the equivalent fraction of both fractional numbers with denominator 7350 - For the 1st fraction, since 98 × 75 = 7350,
90/98 = 90 × 75/98 × 75 = 6750/7350 - Likewise, for the 2nd fraction, since 75 × 98 = 7350,
21/75 = 21 × 98/75 × 98 = 2058/7350 - Subtract the two like fractions:
6750/7350 - 2058/7350 = 6750 - 2058/7350 = 4692/7350 - After reducing the fraction, the answer is 782/1225
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