Carla draws these fraction models and says 3/4 is less than 3/6. what is her mistake?

Step-by-step explanation:

3/4 is greater than 3/6 and the answer to the question "Is 3/4 greater than 3/6?" is yes. Note: When comparing fractions such as 3/4 and 3/6, you could also convert the fractions (if necessary) so they have the same denominator and then compare which numerator is larger.

see below

Step-by-step explanation:

We want to get a common denominator

3/4 and 3/6

The common denominator is 12

3/4 * 3/3 = 9/12

3/6 * 2/2 = 6/12

9/12 > 6/12

so 3/4 is greater than 1/2