Mathematics: Frank practiced piano for 2 ⅓ hours yesterday. He practiced 1 ⅛ hours today. How long did he practice on both days combined? Convert your answer to hours and minutes.

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Frank practiced piano for 2 ⅓ hours yesterday.

Ответ:

maxgeacryne5573

21.08.2021

Mathematics

3 hr and 27 min

Step-by-step explanation:

Given

Frank practiced piano for $2\frac{1}{3}\ \text{hours}$ yesterday and $1\frac{1}{8}\ \text{hours}$

In total frank practiced

$\Rightarrow 2\dfrac{1}{3}+1\dfrac{1}{8}\\\\\Rightarrow \dfrac{7}{3}+\dfrac{9}{8}\\\\\Rightarrow \dfrac{7\times 8}{3\times 8}+\dfrac{9\times 3}{8\times 3}\\\\\Rightarrow \dfrac{56+27}{24}=\dfrac{83}{24}\ \text{hours}\\\Rightarrow \dfrac{83}{24}\ \text{hours}\ or\ 3\ \text{hours and 27 min 30s}$

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Frank practiced piano for 2 ⅓ hours yesterday. He practiced 1 ⅛ hours today. How long did he practice on both days combined? Convert your answer to hours and minutes.

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