Answers

Add 18/42 and 25/54

18/42 + 25/54 is 337/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 42 × 9 = 378,
   18/42 = 18 × 9/42 × 9 = 162/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   25/54 = 25 × 7/54 × 7 = 175/378
4. Add the two like fractions:
   162/378 + 175/378 = 162 + 175/378 = 337/378
5. So, 18/42 + 25/54 = 337/378

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