Answers

Add 42/4 and 45/18

1^st number: 10 2/4, 2^nd number: 2 9/18

42/4 + 45/18 is 13/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 18 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 4 × 9 = 36,
   42/4 = 42 × 9/4 × 9 = 378/36
3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
   45/18 = 45 × 2/18 × 2 = 90/36
4. Add the two like fractions:
   378/36 + 90/36 = 378 + 90/36 = 468/36
5. 468/36 simplified gives 13/1
6. So, 42/4 + 45/18 = 13/1

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