Answer:
Step-by-step explanation:
Fraction division:
Use KCF method
K - Keep the first fraction
C - Change division to multiplcation
F - Flip the second fraction
5. -6/4
6. 1/2
7. 12/15
8. -21/8
Steps are in picture
thus, the ratios 8 : 16 and 6 : 12 are equal
8 : 16 and 6: 12
8 : 16 = 1/2
6: 12= 1/2
Thus, the ratios 8 : 16 and 6 : 12 are equal