Answers

Add 15/30 and 10/60

15/30 + 10/60 is 2/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   15/30 = 15 × 2/30 × 2 = 30/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   10/60 = 10 × 1/60 × 1 = 10/60
4. Add the two like fractions:
   30/60 + 10/60 = 30 + 10/60 = 40/60
5. 40/60 simplified gives 2/3
6. So, 15/30 + 10/60 = 2/3

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