Answer:
Step-by-step explanation:
4/5
1/2
3) 4:5 4) 1:2
We just have to simplify the fraction of the smaller side of the smaller figure over the larger side.
For number 3) 12/15 = 3*4 / 3* 5 = 4/5
For number 4) 7/14 = 8/16 = 1/2