2,13 = 2 + 13/100 = 2 + 13/100 = 2 13/1003,5 = 3 + 5/10 = 3 + 1/2 = 3 1/21,25 = 1 + 25/100 = 1 + 1/4 = 1 1/4
2,13 = 2 + 13/100 = 2 + 13/100 = 2 13/100
3,5 = 3 + 5/10 = 3 + 1/2 = 3 1/2
1,25 = 1 + 25/100 = 1 + 1/4 = 1 1/4