Subtract 20/45 from 3/98
3/98 - 20/45 is -365/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
3/98 = 3 × 45/98 × 45 = 135/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
20/45 = 20 × 98/45 × 98 = 1960/4410 - Subtract the two like fractions:
135/4410 - 1960/4410 = 135 - 1960/4410 = -1825/4410 - After reducing the fraction, the answer is -365/882
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