Answers

Add 54/42 and 18/54

1^st number: 1 12/42, 2^nd number: 18/54

54/42 + 18/54 is 34/21.

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,
   54/42 = 54 × 9/42 × 9 = 486/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   18/54 = 18 × 7/54 × 7 = 126/378
4. Add the two like fractions:
   486/378 + 126/378 = 486 + 126/378 = 612/378
5. 612/378 simplified gives 34/21
6. So, 54/42 + 18/54 = 34/21
   In mixed form: 113/21

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