Answers

Add 36/84 and 15/72

36/84 + 15/72 is 107/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   36/84 = 36 × 6/84 × 6 = 216/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   15/72 = 15 × 7/72 × 7 = 105/504
4. Add the two like fractions:
   216/504 + 105/504 = 216 + 105/504 = 321/504
5. 321/504 simplified gives 107/168
6. So, 36/84 + 15/72 = 107/168

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