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Posted byjaehwa September 5, 2020

What is the value of $7$ $\dfrac{2}{5}$ $-$ $5$ $\dfrac{4}{2}$?
A. $\dfrac{2}{5}$ A. $\dfrac{2}{5}$
B. $\dfrac{6}{7}$
C. $\dfrac{8}{7}$
D. $1$
E. $\dfrac{17}{5}$

1. $7$ $\dfrac{2}{5}$ $ - $ $5$ $\dfrac{4}{2}$
$ = \dfrac{37}{5}$ $ - $ $\dfrac{14}{2}$
$ = \dfrac{37\times 2}{5\times 2}- \dfrac{14\times 5}{2\times 5}$
$ = \dfrac{74}{10}-\dfrac{70}{10}$$=\dfrac{{74}-{70}}{10}$$=\dfrac{2}{5}$ 2. No More Steps

Correct! Nice work!

Posted byjaehwaSeptember 5, 2020Posted inUncategorized

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