1/6 + 3/10 = 7/15
My calculator gave me this answer, but I don't know how it got and when I'm taking my test I can't use a calculator. Can someone tell me how to get this answer?

Question

anonymous · Answer

find the greatest common factor which is 30, so how can you make it so both fractions are divided by 30?

anonymous · Answer

turn the fractions into decimals

anonymous · Answer

Thank you(:
moses_ : Thanks, I figured it out almost immediately(:
PleaseHelpMe. : I tried it both ways and yours worked very well thank you(: