Hasil dari 13/10/15+8/5/6

13/10 ÷ 15 + 8 ÷ 5/6

= 13/10 ÷ 23/1 ÷ 5/6

= 13/10 × 1/23 ÷ 5/6

= 13/230 ÷ 5/6

= 13/230 × 6/5

= 78/1.150

= 39/575

semoga membantu ^_^