Add ½ and ⅓.
Find a common denominator (6):
½=³⁄₆, ⅓=²⁄₆
³⁄₆+²⁄₆=⅚.
To find half of ¾, multiply ¾ x ½ = ¾½ = ⅜
¼ of $40=⁴⁰⁄₄=10.
You save $10 on the item.
Total slices =8. Divide by the number of friends: ⁸⁄₃. Each friend gets 2⅔ slices.
Subtract ⅖ from 1:
1-⅖=⁵⁄₅=⅗
