David W. answered 04/14/16
Tutor
4.7
(90)
Experienced Prof
(2 1/3) / (1 2/5)
(7/3) / (7/5) [change mixed numbers to improper fractions]
(7/3) * (5/7) [to divide by fraction, invert and multiply]
5/3 [cancel the 7's]
1 2/3 [convert back to mixed number]