Answers

Add 15/84 and 72/9

1^st number: 15/84, 2^nd number: 8 0/9

15/84 + 72/9 is 229/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 9 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   15/84 = 15 × 3/84 × 3 = 45/252
3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
   72/9 = 72 × 28/9 × 28 = 2016/252
4. Add the two like fractions:
   45/252 + 2016/252 = 45 + 2016/252 = 2061/252
5. 2061/252 simplified gives 229/28
6. So, 15/84 + 72/9 = 229/28
   In mixed form: 85/28

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