1 2/5 = 7/5
2 3/8 = 19/8
4 1/3 = 13/3
1 2/3 = 5/3
The only one with matching values are 4 1/3 and 13/3. To find this, multiply the whole number by the denominator and add the value of the numerator. This becomes the new value for the numerator. Put this value over the original denominator and you're done.