math

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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
________

  • math -

    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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