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Formula
Calculate the value
$\left( - \dfrac{ 1 }{ 4 } \right) \times \left( +8 \right)$
$- 2$
Calculate the value
$\color{#FF6800}{ - } \dfrac { 1 } { 4 } \times 8$
 If you multiply negative numbers by odd numbers, move the (-) sign forward 
$\color{#FF6800}{ - } \left ( \dfrac { 1 } { 4 } \times 8 \right )$
$- \left ( \dfrac { 1 } { 4 } \color{#FF6800}{ \times } \color{#FF6800}{ 8 } \right )$
 Natural numbers can be expressed as fractions with a denominator of 1 
$- \left ( \dfrac { 1 } { 4 } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 8 } { 1 } } \right )$
$- \left ( \dfrac { 1 } { \color{#FF6800}{ 4 } } \times \dfrac { \color{#FF6800}{ 8 } } { 1 } \right )$
 Reduce all denominators and numerators that can be reduced 
$- \left ( \dfrac { 1 } { \color{#FF6800}{ 1 } } \times \dfrac { \color{#FF6800}{ 2 } } { 1 } \right )$
$- \left ( \color{#FF6800}{ \dfrac { 1 } { 1 } } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 2 } { 1 } } \right )$
 numerator multiply between numerator, and denominators multiply between denominators 
$- \color{#FF6800}{ \dfrac { 1 \times 2 } { 1 \times 1 } }$
$- \dfrac { \color{#FF6800}{ 1 } \times 2 } { 1 \times 1 }$
 Multiplying any number by 1 does not change the value 
$- \dfrac { \color{#FF6800}{ 2 } } { 1 \times 1 }$
$- \dfrac { 2 } { \color{#FF6800}{ 1 } \times 1 }$
 Multiplying any number by 1 does not change the value 
$- \dfrac { 2 } { \color{#FF6800}{ 1 } }$
$- \dfrac { 2 } { \color{#FF6800}{ 1 } }$
 If the denominator is 1, the denominator can be removed 
$- \color{#FF6800}{ 2 }$
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