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Evaluate the following expression. 1/2+2/3+3/4 b. 2/3×42/5×10/7

User Mikelbring
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1 Answer

2 votes
Answer:
\begin{gathered} A)\text{ 1}(11)/(12) \\ B)\text{ 8} \end{gathered}Explanations:

A)


(1)/(2)+(2)/(3)+(3)/(4)

Find the LCM of 2, 3, 4

LCM = 12

The expression becomes:


\begin{gathered} (6+8+9)/(12) \\ =\text{ }(23)/(12) \\ =\text{ 1}(11)/(12) \end{gathered}

B)


\begin{gathered} (2)/(3)*(42)/(5)*(10)/(7) \\ =\text{ }(2*6*2)/(3) \\ =2*2*2 \\ =\text{ 8} \end{gathered}

User Francisco Alvarez
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