Question

A recipe calls for 2 2/15 cups of cheddar cheese, 1 2/3 cups of parmesan cheese and 3 1/5 of mozzarella cheese. How much cheese is used in the recipe.

Answer 1

Data:

• Cheddar cheese: 2 2/15

,

• Parmesan cheese: ,1 2/3

,

• Mozzarella cheese: ,3 1/5

Sum of fractions:

`2(2)/(15)+1(2)/(3)+3(1)/(5)=(32)/(15)+(5)/(3)+(16)/(5)`

Common denominator (15):

`(32)/(15)+(5)/(3)+(16)/(5)=(32+25+48)/(15)=(105)/(15)=7`

Answer: 7