Answers

Add 40/18 and 9/42

1^st number: 2 4/18, 2^nd number: 9/42

40/18 + 9/42 is 307/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   40/18 = 40 × 7/18 × 7 = 280/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   9/42 = 9 × 3/42 × 3 = 27/126
4. Add the two like fractions:
   280/126 + 27/126 = 280 + 27/126 = 307/126
5. So, 40/18 + 9/42 = 307/126
   In mixed form: 255/126

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