Answers

Add 15/42 and 5/35

15/42 + 5/35 is 1/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 35 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   15/42 = 15 × 5/42 × 5 = 75/210
3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
   5/35 = 5 × 6/35 × 6 = 30/210
4. Add the two like fractions:
   75/210 + 30/210 = 75 + 30/210 = 105/210
5. 105/210 simplified gives 1/2
6. So, 15/42 + 5/35 = 1/2

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