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Answer
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$- \dfrac { 19 } { 30 }$
Calculate the value
$\dfrac { 2 } { 3 } - 0.75 \div \left ( - 5 \right ) \times \left ( \color{#FF6800}{ - } \color{#FF6800}{ 5 \dfrac { \color{#FF6800}{ 1 } } { \color{#FF6800}{ 3 } } } \right ) - \dfrac { 1 } { 2 }$
$ $ Convert mixed number into improper fraction $ $
$\dfrac { 2 } { 3 } - 0.75 \div \left ( - 5 \right ) \times \left ( \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { \color{#FF6800}{ 16 } } { \color{#FF6800}{ 3 } } } \right ) - \dfrac { 1 } { 2 }$
$\dfrac { 2 } { 3 } \color{#FF6800}{ - } \color{#FF6800}{ 0.75 } \color{#FF6800}{ \div } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 5 } \right ) \color{#FF6800}{ \times } \left ( \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { \color{#FF6800}{ 16 } } { \color{#FF6800}{ 3 } } } \right ) - \dfrac { 1 } { 2 }$
$ $ Calculate multiplication and division of rational numbers $ $
$\dfrac { 2 } { 3 } \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { \color{#FF6800}{ 4 } } { \color{#FF6800}{ 5 } } } - \dfrac { 1 } { 2 }$
$\color{#FF6800}{ \dfrac { \color{#FF6800}{ 2 } } { \color{#FF6800}{ 3 } } } \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { \color{#FF6800}{ 4 } } { \color{#FF6800}{ 5 } } } \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { \color{#FF6800}{ 1 } } { \color{#FF6800}{ 2 } } }$
$ $ Find the sum or difference of the fractions $ $
$\color{#FF6800}{ - } \color{#FF6800}{ \dfrac { \color{#FF6800}{ 19 } } { \color{#FF6800}{ 30 } } }$
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