Find the Indicated Probability $\frac { 1 } { 2 }$

Find the indicated probability. Round your answer to 6 decimal places when necessary.
-Three fair coins are tossed. Find the probability of getting the same thing on all three coins.

A) $\frac { 1 } { 2 }$
B) $\frac { 1 } { 4 }$
C) $\frac { 3 } { 8 }$
D) $\frac { 1 } { 8 }$