Subtract 45/98 from 18/80
18/80 - 45/98 is -459/1960.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 98 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
18/80 = 18 × 49/80 × 49 = 882/3920 - Likewise, for the 2nd fraction, since 98 × 40 = 3920,
45/98 = 45 × 40/98 × 40 = 1800/3920 - Subtract the two like fractions:
882/3920 - 1800/3920 = 882 - 1800/3920 = -918/3920 - After reducing the fraction, the answer is -459/1960
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