Find the reciprocal of the number. multiply to check your answer.
2 3/4
a. 2 4/3
b. 11/4
c. 4/11
d. 4/23

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3