Answers

Add 5/21 and 10/9

1^st number: 5/21, 2^nd number: 1 1/9

5/21 + 10/9 is 85/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   5/21 = 5 × 3/21 × 3 = 15/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   10/9 = 10 × 7/9 × 7 = 70/63
4. Add the two like fractions:
   15/63 + 70/63 = 15 + 70/63 = 85/63
5. So, 5/21 + 10/9 = 85/63
   In mixed form: 122/63

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