Step by step on how to solve 6 1/4 + - 7 6/7

Jaywayco asked Aug 25, 2023

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Jaywayco asked Aug 25, 2023

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22 votes

The given expression is

First, we transform each mixed number into a fraction.

$\begin{gathered} 6(1)/(4)=(6\cdot4+1)/(4)=(24+1)/(4)=(25)/(4) \\ 7(6)/(7)=(7\cdot7+6)/(7)=(49+6)/(7)=(55)/(7) \end{gathered}$

Then, subtract the fractions.

$(25)/(4)-(55)/(7)=(25\cdot7-55\cdot4)/(4\cdot7)=(175-220)/(28)=(-45)/(28)$

Iwan Aucamp answered Aug 31, 2023

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