SOLUTION: if P=A/B, Q=B/C, and R=C/A, express A+B/A+C as simplified fraction in terms of P and R

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Question 1104653: if P=A/B, Q=B/C, and R=C/A, express A+B/A+C as simplified fraction in terms of P and R
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P=A%2FB
Q=B%2FC
R=C%2FA
.
.
.
%28A%2BB%29%2F%28A%2BC%29=%28A%2FC%2BB%2FC%29%2F%28A%2FC%2BC%2FC%29
%28A%2BB%29%2F%28A%2BC%29=%281%2FR%2BQ%29%2F%281%2FR%2B1%29
%28A%2BB%29%2F%28A%2BC%29=%281%2BQR%29%2F%281%2BR%29
.
.
QR=%28B%2FC%29%28C%2FA%29
QR=B%2FA
QR=1%2FP
So,
%28A%2BB%29%2F%28A%2BC%29=%281%2B1%2FP%29%2F%281%2BR%29
highlight%28%28A%2BB%29%2F%28A%2BC%29=%28P%2B1%29%2F%28P%2BPR%29%29