Answers

Subtract 70/21 from 98/10

1^st number: 9 8/10, 2^nd number: 3 7/21

98/10 - 70/21 is 97/15.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 10 × 21 = 210,
   98/10 = 98 × 21/10 × 21 = 2058/210
3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
   70/21 = 70 × 10/21 × 10 = 700/210
4. Subtract the two like fractions:
   2058/210 - 700/210 = 2058 - 700/210 = 1358/210
5. After reducing the fraction, the answer is 97/15
6. In mixed form: 67/15

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