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Tatsouka 2009

Posted byjaehwa September 5, 2020

What is the value of $2$ $\dfrac{2}{5}$ $-$ $2$ $\dfrac{3}{8}$?
A. $\dfrac{1}{40}$ A. $\dfrac{1}{40}$
B. $\dfrac{5}{13}$
C. $\dfrac{14}{13}$
D. $1$
E. $\dfrac{71}{40}$

1. $2$ $\dfrac{2}{5}$ $ - $ $2$ $\dfrac{3}{8}$
$ = \dfrac{12}{5}$ $ - $ $\dfrac{19}{8}$
$ = \dfrac{12\times 8}{5\times 8}- \dfrac{19\times 5}{8\times 5}$
$ = \dfrac{96}{40}-\dfrac{95}{40}$$=\dfrac{{96}-{95}}{40}$$=\dfrac{1}{40}$ 2. No More Steps

Correct! Nice work!

Posted byjaehwaSeptember 5, 2020Posted inUncategorized

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