# Cupcakes

In a bowl was some cupcakes. Janka ate one third and Danka ate one quarter of cupcakes.

a) How many of cookies ate together?
b) How many cookies remain in a bowl?

Write the results as a decimal number and in notepad also as a fraction.

Result

a =  0.58
b =  0.42

#### Solution:

$a = \dfrac{1}{3} + \dfrac{1}{4} = \dfrac{7}{12} = 0.58$
$b = 1 - a = 1 - (\dfrac{1}{3} + \dfrac{1}{4}) = \dfrac{5}{12} = 0.42$

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