Subtract 2/20 from 98/90
1st number: 1 8/90, 2nd number: 2/20
98/90 - 2/20 is 89/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
98/90 = 98 × 2/90 × 2 = 196/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Subtract the two like fractions:
196/180 - 18/180 = 196 - 18/180 = 178/180 - After reducing the fraction, the answer is 89/90
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