Answers

Add 4/98 and 63/81

4/98 + 63/81 is 361/441.

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,
   4/98 = 4 × 81/98 × 81 = 324/7938
3. Likewise, for the 2nd fraction, since 81 × 98 = 7938,
   63/81 = 63 × 98/81 × 98 = 6174/7938
4. Add the two like fractions:
   324/7938 + 6174/7938 = 324 + 6174/7938 = 6498/7938
5. 6498/7938 simplified gives 361/441
6. So, 4/98 + 63/81 = 361/441

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