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Sam made a cake and Gloria made some frosting to go on top of the cake Sam used 3/4 teaspoon of vanilla in the and Gloria used 1/3 teaspoon of vanilla in the frosting. How many teaspoons of vanilla were used in all

Answer :

We have the following:

To calculate the total value used, we must use what each person used, as follows

[tex]\frac{3}{4}+\frac{1}{3}=\frac{3\cdot3+4\cdot1}{4\cdot3}=\frac{9+4}{12}=\frac{13}{12}[/tex]

That is, in total 13/12 teaspoons of vanilla were used

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