Answers

Add 12/84 and 49/54

12/84 + 49/54 is 397/378.

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,
   12/84 = 12 × 9/84 × 9 = 108/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   49/54 = 49 × 14/54 × 14 = 686/756
4. Add the two like fractions:
   108/756 + 686/756 = 108 + 686/756 = 794/756
5. 794/756 simplified gives 397/378
6. So, 12/84 + 49/54 = 397/378
   In mixed form: 119/378

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