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What is

${9} \dfrac{1}{5} - {8}\dfrac{1}{3}$ ?
A.

$\dfrac{13}{15}$ A.

$\dfrac{13}{15}$
B.

${1} \dfrac{13}{15}$
C.

${2} \dfrac{13}{15}$
D.

${4} \dfrac{13}{15}$
E.

${3} \dfrac{13}{15}$

${9} \dfrac{1}{5} - {8}\dfrac{1}{3}$

$= {9} + \dfrac{1}{5} - {8} - \dfrac{1}{3}$

$= {9} - {8}+ \dfrac{1}{5} - \dfrac{1}{3}$ 2.

$= {1} + \dfrac{1}{5} - \dfrac{1}{3}$

$= \dfrac{5}{5} + \dfrac{1}{5} - \dfrac{1}{3}$ 3.

$= \dfrac{{5}+{1}}{5} - \dfrac{1}{3}$

$= \dfrac{{6}}{5} - \dfrac{1}{3}$ 4.

$=\dfrac{{6} \times {3}}{{5} \times {3}} - \dfrac{{1}\times {5}}{{3} \times {5}}$ 5.

$= \dfrac{{18}}{{15}} - \dfrac{5}{15}$

$= \dfrac{{18}-{5}}{15}$

$=\dfrac{13}{15}$ No More Steps