The length of a rectangle is 7and 1/2 inches and the width is 2 and 3/4 inches. What is the ratio, using whole numbers, of the length to the width?
L / W =
( 7 + 1/2) / ( 2 + 3/4) =
(15/2) / ( 11/4 ) =
{ Invert the second fraction and multiply }
(15/2) * ( 4/11) =
60 / 22 = 30 / 11 = 30 : 11