Subtract 90/98 from 4/9
4/9 - 90/98 is -209/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 9 × 98 = 882,
4/9 = 4 × 98/9 × 98 = 392/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
90/98 = 90 × 9/98 × 9 = 810/882 - Subtract the two like fractions:
392/882 - 810/882 = 392 - 810/882 = -418/882 - After reducing the fraction, the answer is -209/441
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