Question

2si 1/7+1 si 3/7 rezultat forma ireductibila

Answer 1

$2 \dfrac{1}{7} + 1 \dfrac{3}{7} = \\ \\ \\ \dfrac{2 \times 7 + 1}{7} + \dfrac{1 \times 7 + 3}{7} = \\ \\ \\ \dfrac{15}{7} + \dfrac{10}{7} = \dfrac{25}{7}$

Answer 2

2intreg 1/7 + 1intreg 3/7=
2intreg 1/7= (2x7+1)/7= 15/7
1intreg 3/7= (1x7+3)/7= 10/7
15/7 + 10/7 = 25/7