Subtract 20/90 from 72/98
72/98 - 20/90 is 226/441.
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,
72/98 = 72 × 45/98 × 45 = 3240/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
20/90 = 20 × 49/90 × 49 = 980/4410 - Subtract the two like fractions:
3240/4410 - 980/4410 = 3240 - 980/4410 = 2260/4410 - After reducing the fraction, the answer is 226/441
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