What fraction is shaded?
Remember that when we think about fractions, a fraction is a part out of a whole. And the part we’re looking for is the shaded piece out of the total pieces. In this figure, only one of the slices is shaded. So we write a one as a numerator — a one on the top of our fraction. And then, we need to count the total number of slices: one, two, three, four, five, six, seven, eight, nine.
This figure has nine total slices. The denominator — the number on the bottom of our fraction — would be nine. And we would say one-ninth of this figure is shaded.