Subtract 98/18 from 70/20
1st number: 3 10/20, 2nd number: 5 8/18
70/20 - 98/18 is -35/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
98/18 = 98 × 10/18 × 10 = 980/180 - Subtract the two like fractions:
630/180 - 980/180 = 630 - 980/180 = -350/180 - After reducing the fraction, the answer is -35/18
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