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Posted byjaehwa September 5, 2020

What is the value of $3$ $\dfrac{4}{5}$ $-$ $\dfrac{3}{9}$?
A. $3\dfrac{7}{15}$ A. $3\dfrac{7}{15}$
B. $\dfrac{1}{2}$
C. $\dfrac{3}{2}$
D. $1$
E. $\dfrac{32}{15}$

1. $3$ $\dfrac{4}{5}$ $ - $ $\dfrac{3}{9}$
$ = \dfrac{19}{5}$ $ - $ $\dfrac{3}{9}$
$ = \dfrac{19\times 9}{5\times 9}- \dfrac{3\times 5}{9\times 5}$
$ = \dfrac{171}{45}-\dfrac{15}{45}$$=\dfrac{{171}-{15}}{45}$$=\dfrac{52}{15}$ $= 3\dfrac{7}{15}$ 2. No More Steps

Correct! Nice work!

Posted byjaehwaSeptember 5, 2020Posted inUncategorized

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