The denominator of 2/5 is 5, so divide each unit in the number line into 5 parts. The point second to the right from the 0 is the required point.
The denominator of 7/6 is 6, so divide each unit in the number line into 6 parts. The point seventh to the right from the 0 is the required point.
The denominator of 3 2/3 is 3, so divide each unit in the number line into 3 parts. The point second to the right from the 3 is the required point.