Cross-multiplication in subtraction — task. Mathematics State Board, Class 6.

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Find the sum by applying the cross-multiplication:

Answer variants:

\frac{54}{40}

\frac{63}{40}

\frac{38}{40}

\frac{29}{40}

\frac{14}{8} - \frac{4}{5}

\(=\)

Did you find an error?

15. Cross-multiplication in subtraction