If a and b are positive integers and \frac{20}{19}=1+\frac{1}{1+\frac{a}{b}}, what is the least possible value of a+b ?
Answer Choices
A. 16
B. 19
C. 20
D. 38
E. 39
If a and b are positive integers and \frac{20}{19}=1+\frac{1}{1+\frac{a}{b}}, what is the least possible value of a+b ?
Answer Choices
A. 16
B. 19
C. 20
D. 38
E. 39