Answers

Add 63/10 and 21/63

1^st number: 6 3/10, 2^nd number: 21/63

63/10 + 21/63 is 199/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 10 × 63 = 630,
   63/10 = 63 × 63/10 × 63 = 3969/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   21/63 = 21 × 10/63 × 10 = 210/630
4. Add the two like fractions:
   3969/630 + 210/630 = 3969 + 210/630 = 4179/630
5. 4179/630 simplified gives 199/30
6. So, 63/10 + 21/63 = 199/30
   In mixed form: 619/30

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