soal dari 8/10 : 2 6/9 adalah

8/10 : 2 6/9
= 8/10 : 24/9
= 8/10 × 9/24
= 4/5 × 3/8
= 12/40 => masing2 dibagi 4
= 3/10

2+(8/10:6/9)
=2+(8/10×9/6)
=2+72/60
=2+60/60+12/60
=2+1+12/60
=3 12/60:12/12=1/5
=3 1/5.