Question

cum se scade o fractie dintr-un numar intreg ?dati exemple varog

Answer 1

aduci la acelas numitor adica de exemplu
12/5 -2= 12/5- 10/5=2/5

Answer 2

Se scade astfel:

$a- \frac{b}{c} = \frac{a\cdot c }{c}- \frac{b}{c} = \frac{a \cdot c - b}{c}$