Answers

Add 4/42 and 45/54

4/42 + 45/54 is 13/14.

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,
   4/42 = 4 × 9/42 × 9 = 36/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   45/54 = 45 × 7/54 × 7 = 315/378
4. Add the two like fractions:
   36/378 + 315/378 = 36 + 315/378 = 351/378
5. 351/378 simplified gives 13/14
6. So, 4/42 + 45/54 = 13/14

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