Question

calcule a fração a)1/9+4/12 b)2/3+10/15 c)1/2+3/10 d)5/6+6/9 ​

Answer 1

a) 1/9 = 36/9 = 37/9

b) 10/15 + 10/15 = 20/15 : 5 = 4/3

c)5/10 + 3/10 = 8/10

d) 15/18 + 12/18 = 27/18 : 9 = 3/2