Answers

Add 6/81 and 25/42

6/81 + 25/42 is 253/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 42 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 81 × 14 = 1134,
   6/81 = 6 × 14/81 × 14 = 84/1134
3. Likewise, for the 2nd fraction, since 42 × 27 = 1134,
   25/42 = 25 × 27/42 × 27 = 675/1134
4. Add the two like fractions:
   84/1134 + 675/1134 = 84 + 675/1134 = 759/1134
5. 759/1134 simplified gives 253/378
6. So, 6/81 + 25/42 = 253/378

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