Answers

Add 5/42 and 5/54

5/42 + 5/54 is 40/189.

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,
   5/42 = 5 × 9/42 × 9 = 45/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   5/54 = 5 × 7/54 × 7 = 35/378
4. Add the two like fractions:
   45/378 + 35/378 = 45 + 35/378 = 80/378
5. 80/378 simplified gives 40/189
6. So, 5/42 + 5/54 = 40/189

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