Five sixteenths plus x equals eight seventeenths what is the value of x?

5/16 + x = 8/17

x = 8/17 - 5/16

x = (8/17 x 16/16) - (5/16 x 17/17)

x = 128/272 - 85/272

x = (128 - 85) / 272

x = 43/272