Question

simplifique as fraçoes: a) 480/72 b) 63/777 c) 144/480 d) 42/105 e) 156/240 f) 85/68 g) 210/360 h) 28/70 i) 85/221 j)60/450

Answer 1

a) 480/72= : 8 60/9 : 3 20/3
b)63/777=  : 7 9/111 :3 3/37
c)144/489= : 3  48/163 

Answer 2

156/240÷4=39/60÷3=13/20