Colour the hats
Colour $\frac{1}{3}$ of the hats red.
Colour three-fifth hats blue.
How many hats did you colour red?
How many hats did you colour blue?
What part of the hats are not coloured?

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Solution

Total number of hats = 15
It is given that we have to colour $\frac{1}{3}$ of hats in red.
Number of red coloured hats = 15 ÷ 3 = 5
= 5

It is given that we have to colour $\frac{3}{5}$ of the total hats in blue.

One-fifth of the total hats = 15 ÷ 5 = 3
Number of blue coloured hats = 3 × 3
= 9

Number of hats that are not coloured = 1
Thus, part of hats that are not coloured = $\frac{1}{15}$

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Colour the hats Colour 13 of the hats red. Colour three-fifth hats blue. How many hats did you colour red? How many hats did you colour blue? What part of the hats are not coloured?

Colour the hats
Colour $\frac{1}{3}$ of the hats red.
Colour three-fifth hats blue.
How many hats did you colour red?
How many hats did you colour blue?
What part of the hats are not coloured?