2/3*5/6+3/4:3/5

2/3*5/6+3/4:3/5 =10/18+3/4*5/3=10/18+15/12=5/9+5/4= 20/36+45/36=65/36=1 29/36

⅔*⁵/₆+¾:⅗=⅔*⁵/₆+¾*⁵/₃=⁵/₉+⁵/₄=²⁰/₃₆+⁴⁵/₃₆=⁶⁵/₃₆=1²⁹/₃₆

(⅔) * (⅚) + (¾) : (⅗) = (10/18) + (5/4) = (5/9) + (5/4) = (20/36) + (45/36) = (65/36) = 1 (29/36)