answer= 2/3
5 2/3= multiply 5x3=15, then 5x2=10 which makes the fraction: 10/15, simplify by finding the highest common denominator that divides 10 & 15 equally, which would be 5,
5 divided into 10 is 2. 5 devided into 15 is 3 which makes your answer, 2/3.
not 100%, but it makes sense to me...