Subtract 21/70 from 98/7
1st number: 14 0/7, 2nd number: 21/70
98/7 - 21/70 is 137/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
98/7 = 98 × 10/7 × 10 = 980/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Subtract the two like fractions:
980/70 - 21/70 = 980 - 21/70 = 959/70 - After reducing the fraction, the answer is 137/10
- In mixed form: 137/10
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