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.

Correct result:

a =  0.58
b =  0.42

Solution:

a=13+14=712=0.58a = \dfrac{1}{3} + \dfrac{1}{4} = \dfrac{7}{12} = 0.58
b=1a=1(13+14)=512=0.42b = 1 - a = 1 - (\dfrac{1}{3} + \dfrac{1}{4}) = \dfrac{5}{12} = 0.42



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