a) 0,7 = 7/10
b) 2,4(3) = 2 + 4/10 + 3/90 = 2 + 4/10 + 1/30 = 2 + 12/30 + 1/30 = 2 + 13/30 = 60/30 + 13/30 = 73/30
a) 0,7 = 7/10
b) 2,4(3) = 2 + 4/10 + 3/90 = 2 + 4/10 + 1/30 = 2 + 12/30 + 1/30 = 2 + 13/30 = 60/30 + 13/30 = 73/30