Answers

Add 3/42 and 42/54

3/42 + 42/54 is 107/126.

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,
   3/42 = 3 × 9/42 × 9 = 27/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   42/54 = 42 × 7/54 × 7 = 294/378
4. Add the two like fractions:
   27/378 + 294/378 = 27 + 294/378 = 321/378
5. 321/378 simplified gives 107/126
6. So, 3/42 + 42/54 = 107/126

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