Subtract 7/90 from 9/98
9/98 - 7/90 is 31/2205.
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,
9/98 = 9 × 45/98 × 45 = 405/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
7/90 = 7 × 49/90 × 49 = 343/4410 - Subtract the two like fractions:
405/4410 - 343/4410 = 405 - 343/4410 = 62/4410 - After reducing the fraction, the answer is 31/2205
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