Grade 7 Complex Fractions and Unit Rates

Simplify each complex fraction. For the word problems, divide to find the unit rate.

1. 1.(1/2) ÷ (1/4) =
2. 2.(3/4) ÷ (1/8) =
3. 3.(2/3) ÷ (1/6) =
4. 4.(1/2) ÷ (3/4) =
5. 5.(5/6) ÷ (2/3) =
6. 6.(3/8) ÷ (1/2) =
7. 7.(7/10) ÷ (1/5) =
8. 8.(2/5) ÷ (4/15) =
9. 9.A runner covers 1/2 mile in 1/4 hour. What is the unit rate in miles per hour?
10. 10.A snail travels 1/8 foot in 1/2 minute. What is the unit rate in feet per minute?
11. 11.A recipe uses 3/4 cup of flour for 1/2 of a batch. What is the unit rate in cups per batch?
12. 12.A hose delivers 2/3 gallon in 1/6 minute. What is the unit rate in gallons per minute?
13. 13.2/3 of a can of paint covers 1/2 of a wall. What is the unit rate in walls per can?
14. 14.A cyclist rides 3 1/2 miles in 1/4 hour. What is the unit rate in miles per hour?
15. 15.A machine finishes 5/8 of a part in 1/4 hour. What is the unit rate in parts per hour?
16. 16.A pipe leaks 3/10 liter in 3/4 hour. What is the unit rate in liters per hour?