9/10 : 2/10 ansewer

Answer: 4.5 or 9/2

Step-by-step explanation:

9/10 : 2/10

9/10 x 10/2

9 x 10 = 90

10 x 2 = 20

Simplified: 9/2 or 4.5

4.5 or 4 and a half

Step-by-step explanation:

9/10 divided by 2/10

put 2/10 into it's reciprocal and multiply it by 9/10

10/2 * 9/10

10 9

_ * _

2 10

^ (visualization)

multiple into 90/20, divide numerator and denominator by 10 to get 9/2

9/2 is 4.5