Answers

Add 63/84 and 49/81

63/84 + 49/81 is 439/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 84 × 27 = 2268,
   63/84 = 63 × 27/84 × 27 = 1701/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   49/81 = 49 × 28/81 × 28 = 1372/2268
4. Add the two like fractions:
   1701/2268 + 1372/2268 = 1701 + 1372/2268 = 3073/2268
5. 3073/2268 simplified gives 439/324
6. So, 63/84 + 49/81 = 439/324
   In mixed form: 1115/324

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