Question

How to add with unlike denominators?

Answer 1

Multiply the bottom you multiply the top with the same number so you will turn 1/2 to 5/10 then you will add ( this is continuing from the 3 dots on the paper

Answer 2

Find a common denominator by finding a common multiple. 

for example a common denominator for 1/2 and 1/4 would be 4.