Subtract 98/9 from 98/40
1st number: 2 18/40, 2nd number: 10 8/9
98/40 - 98/9 is -1519/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
98/40 = 98 × 9/40 × 9 = 882/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
98/9 = 98 × 40/9 × 40 = 3920/360 - Subtract the two like fractions:
882/360 - 3920/360 = 882 - 3920/360 = -3038/360 - After reducing the fraction, the answer is -1519/180
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