Answers

Add 7/42 and 42/54

7/42 + 42/54 is 17/18.

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,
   7/42 = 7 × 9/42 × 9 = 63/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   42/54 = 42 × 7/54 × 7 = 294/378
4. Add the two like fractions:
   63/378 + 294/378 = 63 + 294/378 = 357/378
5. 357/378 simplified gives 17/18
6. So, 7/42 + 42/54 = 17/18

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