Answers

Add 72/9 and 45/84

1^st number: 8 0/9, 2^nd number: 45/84

72/9 + 45/84 is 239/28.

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,
   72/9 = 72 × 28/9 × 28 = 2016/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   45/84 = 45 × 3/84 × 3 = 135/252
4. Add the two like fractions:
   2016/252 + 135/252 = 2016 + 135/252 = 2151/252
5. 2151/252 simplified gives 239/28
6. So, 72/9 + 45/84 = 239/28
   In mixed form: 815/28

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