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Posted byjaehwa September 5, 2020

What is the value of $4$ $\dfrac{3}{7}$ $-$ $4$ $\dfrac{2}{7}$?
A. $\dfrac{1}{7}$ A. $\dfrac{1}{7}$
B. $\dfrac{5}{14}$
C. $\dfrac{15}{14}$
D. $1$
E. $\dfrac{12}{7}$

1. $4$ $\dfrac{3}{7}$ $ - $ $4$ $\dfrac{2}{7}$
$ = \dfrac{31}{7}$ $ - $ $\dfrac{30}{7}$
$ = \dfrac{31\times 7}{7\times 7}- \dfrac{30\times 7}{7\times 7}$
$ = \dfrac{217}{49}-\dfrac{210}{49}$$=\dfrac{{217}-{210}}{49}$$=\dfrac{1}{7}$ 2. No More Steps

Correct! Nice work!

Posted byjaehwaSeptember 5, 2020Posted inUncategorized

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