what is 7 1/5 minus 3 3/4

\(7\frac{1}{5}-3\frac{3}{4}\)

 

\(\frac{36}{5}-\frac{15}{4}\)

 

\(\frac{144}{20}-\frac{75}{20}\)

 

\(\frac{69}{20}\)

 

\(3\frac{9}{20}\)

 

\(3.45\)

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