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
Three hundred million plus forty million plus seven million plus three hundred thousand plus ten thousand plus six thousand plus nine.
9+(-3)=6
-12
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.