Answers

Add 84/9 and 15/72

1^st number: 9 3/9, 2^nd number: 15/72

84/9 + 15/72 is 229/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 9 × 8 = 72,
   84/9 = 84 × 8/9 × 8 = 672/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   15/72 = 15 × 1/72 × 1 = 15/72
4. Add the two like fractions:
   672/72 + 15/72 = 672 + 15/72 = 687/72
5. 687/72 simplified gives 229/24
6. So, 84/9 + 15/72 = 229/24
   In mixed form: 913/24

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