Well, darling, three plus nine equals twelve. It's not rocket science, but hey, at least you're asking the important questions in life. Math can be a real snooze-fest, but I'm here to make it a little more fabulous for you.
twenty three (23)
12/10 or 6/5
one and five tenths or one and a half
11 and 31 over 40
666,666,665.667
Three plus six equals nine.
Twenty-three
it is nine eighths it is nine eighths
twenty three (23)
five over nine
13
9+(-3)=6
-12
Three hundred million plus forty million plus seven million plus three hundred thousand plus ten thousand plus six thousand plus nine.
There is no meaningful question in "three over five y plus one over nine". There cannot, therefore, be an answer.
2 and thirty-nine fortieths
Three plus six is a simlpy addition promblem and the sum is nine.