Answers

Add 25/54 and 20/84

25/54 + 20/84 is 265/378.

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,
   25/54 = 25 × 14/54 × 14 = 350/756
3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
   20/84 = 20 × 9/84 × 9 = 180/756
4. Add the two like fractions:
   350/756 + 180/756 = 350 + 180/756 = 530/756
5. 530/756 simplified gives 265/378
6. So, 25/54 + 20/84 = 265/378

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