Answers

Add 63/21 and 98/10

1^st number: 3 0/21, 2^nd number: 9 8/10

63/21 + 98/10 is 64/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   63/21 = 63 × 10/21 × 10 = 630/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   98/10 = 98 × 21/10 × 21 = 2058/210
4. Add the two like fractions:
   630/210 + 2058/210 = 630 + 2058/210 = 2688/210
5. 2688/210 simplified gives 64/5
6. So, 63/21 + 98/10 = 64/5
   In mixed form: 124/5

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