Answers

Add 21/63 and 84/9

1^st number: 21/63, 2^nd number: 9 3/9

21/63 + 84/9 is 29/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   21/63 = 21 × 1/63 × 1 = 21/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   84/9 = 84 × 7/9 × 7 = 588/63
4. Add the two like fractions:
   21/63 + 588/63 = 21 + 588/63 = 609/63
5. 609/63 simplified gives 29/3
6. So, 21/63 + 84/9 = 29/3
   In mixed form: 92/3

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