Question

Resolva! PFV ALGUÉM ME AJUDA

Answer 1

k) 9/2 + 6/10
45+6/10
R: 51/10

l) 65-35/10
30/10
R: 3

m) 7/4+3/25
175+12/100
R: 187/100

n) 7/3+1/3+2/3
7+1+2/3
R: 10/3