Subtract 98/9 from 30/84
1st number: 30/84, 2nd number: 10 8/9
30/84 - 98/9 is -1327/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
30/84 = 30 × 3/84 × 3 = 90/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
98/9 = 98 × 28/9 × 28 = 2744/252 - Subtract the two like fractions:
90/252 - 2744/252 = 90 - 2744/252 = -2654/252 - After reducing the fraction, the answer is -1327/126
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