Question

porfa ayuda!!!!!!!!!!!!!!!!

Answer 1

a) 3/2+ 3/4+ 3/8= (3•4)/(2•4) + (3•2)/(4•2)+ 3/8= 12/8+ 6/8+ 3/8= (12+6+3)/8= 21/8= 2 5/8.

b) 27/4+ 31/10+ 3/8= (27•10)/(4•10)+ (31•4)/(10•4)+ (3•5)/(8•5)= 270/40+ 124/40+ 15/40= (270+124+15)/40= 409/40= 10 9/40.

C) 7/48- 5/36+ 9/42= (7•21)/(48•21) - (5•28)/(36•28)+ (9•24)/(42•24)= 147/1008 - 140/1008+ 216/1008= = (147-140+216)/1008= (7+216)/1008= 223/1008.

D) 48/96+ 27/81- 40/48= (48:48)/(96:48)+ (27:27)/(81:27)- (40:8)/(48:8)= 1/2+ 1/3- 5/6= (1• 3)/(2•3)+ (1•2)/(3•2)- 5/6= 3/6+ 2/6- 5/6= (3+2- 5)/6= 0.