Question

Realiza las siguientes operaciones
a) 2/3 + 7/9
b)3/11 - 1/4
c)17/10 x 40/240
d)5/3 : 8/7

Answer 1

2/3+7/9=6/9+7/9=13/9= 1 4/9
3/11-1/4=12/44-11/44=1/44
17/10×40/240= 680/2400=3 360/2400= 36/240 = 18/120= 9/60= 3/20...3 3/20
5/3÷8/7= 35/24= 1 11/24