6/8×4/9+3/8÷15/4= tolong caranya

6/8×4/9+3/8:15/4
=(3/4×4/9)+(3/8×4/15)
=12/36+12/120
=1/3+1/10
=10/30+3/30
=13/30
maaf kalau salah

= 6/8 × 4/9 + 3/8 : 15/4
= 6/18 + 3/8 × 4/15
= 6/18 + 3/30
= 60/180 + 18/180
= 78/180 = 13/30

semoga benar