Difference between 1 and 1/4 and 3/8

Can someone me and do the problem plz so i can understand it more better

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.