Subtract 98/45 from 7/18
1st number: 7/18, 2nd number: 2 8/45
7/18 - 98/45 is -161/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
98/45 = 98 × 2/45 × 2 = 196/90 - Subtract the two like fractions:
35/90 - 196/90 = 35 - 196/90 = -161/90
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