Answers

Add 84/9 and 75/63

1^st number: 9 3/9, 2^nd number: 1 12/63

84/9 + 75/63 is 221/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 9 × 7 = 63,
   84/9 = 84 × 7/9 × 7 = 588/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   75/63 = 75 × 1/63 × 1 = 75/63
4. Add the two like fractions:
   588/63 + 75/63 = 588 + 75/63 = 663/63
5. 663/63 simplified gives 221/21
6. So, 84/9 + 75/63 = 221/21
   In mixed form: 1011/21

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