Explicație:
[tex]1 + \frac{1}{10} + \frac{3}{10} = 1 + \frac{4}{10} = \frac{10}{10} + \frac{4}{10} = \frac{14}{10} [/tex]
1+1/10+3/10=1+4/10=10/10+4/10=14/10
