Answers

Add 5/84 and 9/72

5/84 + 9/72 is 31/168.

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,
   5/84 = 5 × 6/84 × 6 = 30/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   9/72 = 9 × 7/72 × 7 = 63/504
4. Add the two like fractions:
   30/504 + 63/504 = 30 + 63/504 = 93/504
5. 93/504 simplified gives 31/168
6. So, 5/84 + 9/72 = 31/168

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