How many liters are equal to 39 kL?

How many milligrams are equal to 4 cg?

and:

Use the common denominator to compare the fractions.

9/10 or 2/3

5/8 or 3/5

2/3 or 5/6

4/14 or 2/7

4/5 or 4/10

6/8 or 5/6


:)