Question: what is the area in square centimeters of a rectangle that is 4.0 inches by 5/6 inch?
Answer: 1 inch = 2.54 cm. Then 4 inches = 10.16 cm, and 5/6 inch = 2.117 cm . The area of the rectangle is then (10.16cm)*(2.117cm) = 21.51 sq.cm.