Subtract 18/4 from 98/45
1st number: 2 8/45, 2nd number: 4 2/4
98/45 - 18/4 is -209/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
98/45 = 98 × 4/45 × 4 = 392/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
18/4 = 18 × 45/4 × 45 = 810/180 - Subtract the two like fractions:
392/180 - 810/180 = 392 - 810/180 = -418/180 - After reducing the fraction, the answer is -209/90
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