Question

1/4 + 1/3 + 1/6 = the answer is 9/12.. but my question is how is it 9/12? i forgot how to do this can someone show me..explain please thanks :D

Answer 1

Turn 1/4, 1/3, and 1/6 to have the same denominator:

1/4 = 3/12 (multiply top and bottom by 3)
1/3 = 4/12 (multiply top and bottom by 4)
1/6 = 2/12 (multiply top and bottom by 2)

3/12 + 4/12 + 2/12 = ?

Answer 2

oh ok i got it now thanks! :D