Answers

Add 25/81 and 7/49

25/81 + 7/49 is 256/567.

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,
   25/81 = 25 × 49/81 × 49 = 1225/3969
3. Likewise, for the 2nd fraction, since 49 × 81 = 3969,
   7/49 = 7 × 81/49 × 81 = 567/3969
4. Add the two like fractions:
   1225/3969 + 567/3969 = 1225 + 567/3969 = 1792/3969
5. 1792/3969 simplified gives 256/567
6. So, 25/81 + 7/49 = 256/567

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