Question

Hallar: I= 1/2.3+1/3.4+1/4.5

Answer 1

1/2.3+1/3.4+1/4.5multiplicamos por 10/10
10/23+10/34+10/45=
vamos a poner el mismo denominador
23*34*45=35190

(1530+1035+782)/35190= 33470/35190 = 3347 /3519