Answers

Add 15/42 and 5/9

15/42 + 5/9 is 115/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 9 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   15/42 = 15 × 3/42 × 3 = 45/126
3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
   5/9 = 5 × 14/9 × 14 = 70/126
4. Add the two like fractions:
   45/126 + 70/126 = 45 + 70/126 = 115/126
5. So, 15/42 + 5/9 = 115/126

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