Answers

Add 16/84 and 28/72

16/84 + 28/72 is 73/126.

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,
   16/84 = 16 × 6/84 × 6 = 96/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   28/72 = 28 × 7/72 × 7 = 196/504
4. Add the two like fractions:
   96/504 + 196/504 = 96 + 196/504 = 292/504
5. 292/504 simplified gives 73/126
6. So, 16/84 + 28/72 = 73/126

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