7/11~3/5=
What is ~ ?
divided by
In this forum we use / to indicate division.
(7/11) / (3/5) =
(7/11) * (5/3) = 35/33 = 1 2/33
I have 21/55, but not sure I'm right?
No. You forgot to invert the fraction and multiply.
http://www.mathsisfun.com/fractions_division.html