Answers

Add 84/9 and 75/84

1^st number: 9 3/9, 2^nd number: 75/84

84/9 + 75/84 is 859/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 9 × 28 = 252,
   84/9 = 84 × 28/9 × 28 = 2352/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   75/84 = 75 × 3/84 × 3 = 225/252
4. Add the two like fractions:
   2352/252 + 225/252 = 2352 + 225/252 = 2577/252
5. 2577/252 simplified gives 859/84
6. So, 84/9 + 75/84 = 859/84
   In mixed form: 1019/84

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