Answers

Add 4/81 and 3/49

4/81 + 3/49 is 439/3969.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 49 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 81 × 49 = 3969,
   4/81 = 4 × 49/81 × 49 = 196/3969
3. Likewise, for the 2nd fraction, since 49 × 81 = 3969,
   3/49 = 3 × 81/49 × 81 = 243/3969
4. Add the two like fractions:
   196/3969 + 243/3969 = 196 + 243/3969 = 439/3969
5. So, 4/81 + 3/49 = 439/3969

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