Answer:
4/7
Step-by-step explanation:
The pattern is that they need to add 3 in order to get a whole number.
3/6(add 3 to the 3 on top of the 6 it will be equal to 6/6=1)
4/7(add 3 to the four on top of the 7 it will be equal to 7/7=1)
6/9(add 3 to the 6 on top of the 9 it will equal to 9/9=1)
