7-3 4/9=… kalau bisa dengan jalan nya

[tex]7 = \frac{7}{1} \\ 3 \frac{4}{9} = \frac{31}{9} [/tex]
maka caranya :
[tex] = \frac{7}{1} - \frac{31}{9} \\ = (\frac{7 \times 9}{1 \times 9} ) - \frac{31}{9} \\ = \frac{63}{9} - \frac{31}{9} \\ = \frac{32}{9} \\ = 3 \frac{5}{9} [/tex]

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