Answers

Add 5/98 and 4/81

5/98 + 4/81 is 797/7938.

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,
   5/98 = 5 × 81/98 × 81 = 405/7938
3. Likewise, for the 2nd fraction, since 81 × 98 = 7938,
   4/81 = 4 × 98/81 × 98 = 392/7938
4. Add the two like fractions:
   405/7938 + 392/7938 = 405 + 392/7938 = 797/7938
5. So, 5/98 + 4/81 = 797/7938

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