Do you mean five over three? If so that's 1.667.
YES
five over twelve is bigger than three over eight
No. Three over five is 60% while ten over fifteen is 66.66%
the simplest form of four over five is....four over five. You can't reduce that fraction because it already is in simplest form.
Divide both by four. The answer is five.
1 7/12 (one and seven-twelfths)
14/15
5 over 55
The answer is three over five. It's original form is six over ten. (divide by two and you get three over five.)
-15
There is no meaningful question in "three over five y plus one over nine". There cannot, therefore, be an answer.