Answers

Add 18/81 and 6/56

18/81 + 6/56 is 83/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 56 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 81 × 56 = 4536,
   18/81 = 18 × 56/81 × 56 = 1008/4536
3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
   6/56 = 6 × 81/56 × 81 = 486/4536
4. Add the two like fractions:
   1008/4536 + 486/4536 = 1008 + 486/4536 = 1494/4536
5. 1494/4536 simplified gives 83/252
6. So, 18/81 + 6/56 = 83/252

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