A fraction is written in a very particular way. If you’re still thinking about pizza, then 5
6 equal slices and has had 1 slice taken away. numerator
___________ denominator
_ ______________________ 6 family of fractions (sixths)
5 number of sixths
Different fractions that are equal to the same amount are called equivalent fractions.
This fraction wall shows us how fractions can be equivalent. 1
– 2 is the same as 2
– 2
1
– 3
1
– 4
1
– 6
1
– 8
1
– 9
1
__ 12
1 If Lisa has 3
__ 12
1
– 9
1
__ 12
1
– 8
1
– 9
1
__ 12
1
__ 12
1
– 6
1
– 8
1
– 9
1
__ 12
1
– 4
1
– 6
1
– 8
1
– 9
1
__ 12
1
– 4 of her pizza left and Tom has 9
– 8
1
– 9
1
__ 12
1
– 6
1
– 8
1
– 9
1
__ 12
1
__ 12
1
– 3
1
– 4
1
– 6
1
– 8
1
– 9
1
__ 12
1
– 4 or 3
1 unit
– 2
1
– 3
1
– 4
1
– 6
1
– 8
– 9
1 1
__ 12
1
__ 12 of his left, who has more pizza left?
– 6 or 4
– 8 or 6
__ 12.
– 6 of a pizza is a pizza that has been divided into
– 4 and 9
What can we say about 3 3
– 4 and 9
__ 12?
__ 12 are equivalent fractions.
This pizza has been divided into 8 slices. If you eat all 8 slices, what fraction of the pizza have you eaten?
8 slices = 8
– 8 = 1 whole pizza
Remember: when the numerator and the denominator are the same, then the fraction is equal to 1, or 1 whole.
We call fractions like these members of the family of 1. 62 Fractions 1
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