$200 \times \color{#FF6800}{ \dfrac { 20 } { 100 } }$
$ $ Reduce the fraction to the lowest term $ $
$200 \times \color{#FF6800}{ \dfrac { 1 } { 5 } }$
$\color{#FF6800}{ 200 } \times \dfrac { 1 } { 5 }$
$ $ Natural numbers can be expressed as fractions with a denominator of 1 $ $
$\color{#FF6800}{ \dfrac { 200 } { 1 } } \times \dfrac { 1 } { 5 }$
$\dfrac { \color{#FF6800}{ 200 } } { 1 } \times \dfrac { 1 } { \color{#FF6800}{ 5 } }$
$ $ Reduce all denominators and numerators that can be reduced $ $
$\dfrac { \color{#FF6800}{ 40 } } { 1 } \times \dfrac { 1 } { \color{#FF6800}{ 1 } }$
$\color{#FF6800}{ \dfrac { 40 } { 1 } } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 1 } { 1 } }$
$ $ numerator multiply between numerator, and denominators multiply between denominators $ $
$\color{#FF6800}{ \dfrac { 40 \times 1 } { 1 \times 1 } }$
$\dfrac { 40 \color{#FF6800}{ \times } \color{#FF6800}{ 1 } } { 1 \times 1 }$
$ $ Multiplying any number by 1 does not change the value $ $
$\dfrac { \color{#FF6800}{ 40 } } { 1 \times 1 }$
$\dfrac { 40 } { \color{#FF6800}{ 1 } \times 1 }$
$ $ Multiplying any number by 1 does not change the value $ $
$\dfrac { 40 } { \color{#FF6800}{ 1 } }$
$\dfrac { 40 } { \color{#FF6800}{ 1 } }$
$ $ If the denominator is 1, the denominator can be removed $ $
$\color{#FF6800}{ 40 }$