Answers

Add 40/84 and 15/54

40/84 + 15/54 is 95/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   40/84 = 40 × 9/84 × 9 = 360/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   15/54 = 15 × 14/54 × 14 = 210/756
4. Add the two like fractions:
   360/756 + 210/756 = 360 + 210/756 = 570/756
5. 570/756 simplified gives 95/126
6. So, 40/84 + 15/54 = 95/126

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