2 x 1/3 x 2 1/3 = what?

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax