Answers

Add 6/84 and 21/54

6/84 + 21/54 is 29/63.

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,
   6/84 = 6 × 9/84 × 9 = 54/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   21/54 = 21 × 14/54 × 14 = 294/756
4. Add the two like fractions:
   54/756 + 294/756 = 54 + 294/756 = 348/756
5. 348/756 simplified gives 29/63
6. So, 6/84 + 21/54 = 29/63

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