Subtract 70/7 from 98/10
1st number: 9 8/10, 2nd number: 10 0/7
98/10 - 70/7 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
98/10 = 98 × 7/10 × 7 = 686/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
70/7 = 70 × 10/7 × 10 = 700/70 - Subtract the two like fractions:
686/70 - 700/70 = 686 - 700/70 = -14/70 - After reducing the fraction, the answer is -1/5
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