Subtract 20/7 from 70/98
1st number: 70/98, 2nd number: 2 6/7
70/98 - 20/7 is -15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
70/98 = 70 × 1/98 × 1 = 70/98 - Likewise, for the 2nd fraction, since 7 × 14 = 98,
20/7 = 20 × 14/7 × 14 = 280/98 - Subtract the two like fractions:
70/98 - 280/98 = 70 - 280/98 = -210/98 - After reducing the fraction, the answer is -15/7
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