Answers

Add 12/54 and 54/84

12/54 + 54/84 is 109/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 84 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 54 × 14 = 756,
   12/54 = 12 × 14/54 × 14 = 168/756
3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
   54/84 = 54 × 9/84 × 9 = 486/756
4. Add the two like fractions:
   168/756 + 486/756 = 168 + 486/756 = 654/756
5. 654/756 simplified gives 109/126
6. So, 12/54 + 54/84 = 109/126

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