Answers

Add 5/84 and 15/36

5/84 + 15/36 is 10/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   5/84 = 5 × 3/84 × 3 = 15/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   15/36 = 15 × 7/36 × 7 = 105/252
4. Add the two like fractions:
   15/252 + 105/252 = 15 + 105/252 = 120/252
5. 120/252 simplified gives 10/21
6. So, 5/84 + 15/36 = 10/21

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