Answers

Add 30/84 and 27/54

30/84 + 27/54 is 6/7.

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,
   30/84 = 30 × 9/84 × 9 = 270/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   27/54 = 27 × 14/54 × 14 = 378/756
4. Add the two like fractions:
   270/756 + 378/756 = 270 + 378/756 = 648/756
5. 648/756 simplified gives 6/7
6. So, 30/84 + 27/54 = 6/7

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