Răspuns:
2 întregi 1/5-1 intreg 1/10=11/5-11/10 =22/10-11/10=11/10
[tex]2 \frac{1}{5} - 1 \frac{1}{10} = \frac{2 \times 5 + 1}{5} - \frac{1 \times 10 + 1}{10} = \frac{11}{5} - \frac{11}{10} = \frac{22}{10} - \frac{11}{10} = \frac{11}{10} [/tex]
