Answers

Add 45/42 and 54/18

1^st number: 1 3/42, 2^nd number: 3 0/18

45/42 + 54/18 is 57/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   45/42 = 45 × 3/42 × 3 = 135/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   54/18 = 54 × 7/18 × 7 = 378/126
4. Add the two like fractions:
   135/126 + 378/126 = 135 + 378/126 = 513/126
5. 513/126 simplified gives 57/14
6. So, 45/42 + 54/18 = 57/14
   In mixed form: 41/14

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