Answers

Add 72/98 and 8/81

72/98 + 8/81 is 3308/3969.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 81 is 7938
   
   Next, find the equivalent fraction of both fractional numbers with denominator 7938
2. For the 1st fraction, since 98 × 81 = 7938,
   72/98 = 72 × 81/98 × 81 = 5832/7938
3. Likewise, for the 2nd fraction, since 81 × 98 = 7938,
   8/81 = 8 × 98/81 × 98 = 784/7938
4. Add the two like fractions:
   5832/7938 + 784/7938 = 5832 + 784/7938 = 6616/7938
5. 6616/7938 simplified gives 3308/3969
6. So, 72/98 + 8/81 = 3308/3969

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