Subtract 7/21 from 98/10
1st number: 9 8/10, 2nd number: 7/21
98/10 - 7/21 is 142/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
98/10 = 98 × 21/10 × 21 = 2058/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
7/21 = 7 × 10/21 × 10 = 70/210 - Subtract the two like fractions:
2058/210 - 70/210 = 2058 - 70/210 = 1988/210 - After reducing the fraction, the answer is 142/15
- In mixed form: 97/15
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