Subtract 81/98 from 80/20
1st number: 4 0/20, 2nd number: 81/98
80/20 - 81/98 is 311/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
80/20 = 80 × 49/20 × 49 = 3920/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
81/98 = 81 × 10/98 × 10 = 810/980 - Subtract the two like fractions:
3920/980 - 810/980 = 3920 - 810/980 = 3110/980 - After reducing the fraction, the answer is 311/98
- In mixed form: 317/98
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