Question

efetue as operaçoes indicadas e simplifique o resultado sempre que possivel: 5/36 + 7/24 b)5/36 - 7/24 c) 1/20 + 1/30 + 1/40 d) 1/20 - 1/30 - 1/40  ME AJUNDEMMMMMMMMMMMM

Answer 1

a)5/36 + 7/24 
10/72 + 21/72 = 31/72

b)5/36 - 7/24 
10/72 - 21/72 = 11/72

c) 1/20 + 1/30 + 1/40 
6/120 + 4/120 + 3/120 = 13/120

d) 1/20 - 1/30 - 1/40
6/120 - 4/120 - 3/120 = 1/120