Use benchmarks to estimate the sum

What is 3/5 + 3/17

a. 2

b. 1/2

c. 1

d. 0

The answer is C.

Well, 3/5 is more than a half which is. 6 in decimal. And 3/17 is less than a half which if you converted to decimal is. 17, and if you add. 6 plus. 17 =.77

And the closest is 1