Question

выполните сложение 1/5 + 1/9 + 1/3 1/2 + 3/5 + 2/3

Answer 1

1/5+1/9+1/3 = 9/45+5/45+15/45=29/45
1/2+3/5+2/3= 15/30+6/30+15/30=36/30=6/5=1_1/5

Answer 2

1/5+1/9+1/3=29/45
1)1/5+1/9=14/45
2)14/45+1/3=29/45

1/2 + 3/5 + 2/3=1 23/30
1)1/2 + 3/5=1 1/10
2)1 1/10+ 2/3=1 23/30