You can put this solution on YOUR website! 4 1/2= 1 1/4R+ 2 3/7
(4*2+1)/2=(4*1+1)R/4+(2*7+3)/7
(8+1)/2=(4+1)R/4+(14+3)/7
9/2=5R/4+17/7
5R/4=17/7-9/2
5R/4=(2*17-9*7)/7*2
5R/4=(34-63)/14
5R/4=-29/14 CROSS MULTIPLY.
5R*14=4*-29
70R=-116
R=116/70=1 23/35 ANS.