math
posted by zech .
I don't get these concepts for fractions
example
find each missing number
6 2/5 = 5 _?_/5
write each answer in the lowest terms subtract
12 1/3
 9 2/3
________

Sometimes when we're adding or subtracting whole numbers and fractions, we need to change a whole number to a fraction. For the number
6 2/5, imagine 7 pizzas all divided into 5 pieces.
You ate 3 pieces of the 7th pizza so you have only 2/5 of it left.
Since the sixth pizza is divided into 5 pieces, you could say that you have five and 7/5 pizzas.
6 2/5 = 5 7/5
12 1/3 = 11 4/3
11 4/3
9 2/3
_______
??
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