Solve for I
I = \frac{13}{2} = 6\frac{1}{2} = 6.5
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I=7-\frac{1}{2}
Subtract \frac{1}{2} from both sides.
I=\frac{14}{2}-\frac{1}{2}
Convert 7 to fraction \frac{14}{2}.
I=\frac{14-1}{2}
Since \frac{14}{2} and \frac{1}{2} have the same denominator, subtract them by subtracting their numerators.
I=\frac{13}{2}
Subtract 1 from 14 to get 13.
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