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Tatsouka 2009

Posted byjaehwa September 5, 2020

What is the value of $1$ $\dfrac{4}{5}$ $-$ $1$ $\dfrac{2}{9}$?
A. $\dfrac{26}{45}$ A. $\dfrac{26}{45}$
B. $\dfrac{3}{7}$
C. $\dfrac{8}{7}$
D. $1$
E. $\dfrac{91}{45}$

1. $1$ $\dfrac{4}{5}$ $ - $ $1$ $\dfrac{2}{9}$
$ = \dfrac{9}{5}$ $ - $ $\dfrac{11}{9}$
$ = \dfrac{9\times 9}{5\times 9}- \dfrac{11\times 5}{9\times 5}$
$ = \dfrac{81}{45}-\dfrac{55}{45}$$=\dfrac{{81}-{55}}{45}$$=\dfrac{26}{45}$ 2. No More Steps

Correct! Nice work!

Posted byjaehwaSeptember 5, 2020Posted inUncategorized

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