Answer:
1) [tex] = 10 \frac{2}{5} = \frac{52}{5} [/tex]
2) [tex] = \frac{252}{25} = 10 \frac{2}{25} [/tex]
Step-by-step explanation:
[tex]6 \frac{4}{5} + 3 \frac{3}{5} \\ (6 + 3) + ( \frac{4}{5} + \frac{3}{5} ) \\ 9 + \frac{7}{5} = 9 + 1 \frac{2}{5} \\ 9 + 1 + \frac{2}{5} = 10 + \frac{2}{5} [/tex]
[tex] \boxed{\green{= 10 \frac{2}{5} = \frac{52}{5}}} [/tex]
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[tex]2 \frac{4}{5} \times 9 \frac{2}{5} \\ \frac{14}{5} \times 9 \times \frac{2}{5 } [/tex]
[tex]\boxed{\green{ = \frac{252}{25} = 10 \frac{2}{25}}} [/tex]
