What is 1/2+2/5?

Enter a zero or leave the whole number box blank to enter a fraction.

9/10

Step-by-step explanation:

1/2 + 2/5

The common denominator is 10

1/2 *5/5 = 5/10

2/5 *2/2 = 4/10

5/10  + 4/10

9/10

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.