Answers

Add 25/81 and 7/98

25/81 + 7/98 is 431/1134.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 98 is 7938
   
   Next, find the equivalent fraction of both fractional numbers with denominator 7938
2. For the 1st fraction, since 81 × 98 = 7938,
   25/81 = 25 × 98/81 × 98 = 2450/7938
3. Likewise, for the 2nd fraction, since 98 × 81 = 7938,
   7/98 = 7 × 81/98 × 81 = 567/7938
4. Add the two like fractions:
   2450/7938 + 567/7938 = 2450 + 567/7938 = 3017/7938
5. 3017/7938 simplified gives 431/1134
6. So, 25/81 + 7/98 = 431/1134

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