hasil dari 5/6×72/85:12/15

5/6 × 72/85 : 12/15
= 360/510 : 12/15
= 360/510 × 15/12
= 36/51 × 5/4
= 180/204
= 45/51
= 15/17

=5/6×72/85=360/510=180/255=36/51
=36/51×5/4=180/204=90/102=45/51=15/17

maaf kalau salah,semoga membantu☺