Answer
a)$\frac{11}{3}$
b)$3\frac{2}{3}$
Work Step by Step
a)The diagram shows 4 circles. Each is divided into 3 sections. 3 is the denominator.
11 of the sections are shaded. 11 is the numerator.
b)3 whole circles are shaded. 2 of 3 sections are shaded in the 4th circle.