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Formula
Calculate the value
Answer
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$\dfrac{ 39 }{ 50 } \times 100$
$78$
Calculate the value
$\dfrac { 39 } { 50 } \color{#FF6800}{ \times } \color{#FF6800}{ 100 }$
$ $ Natural numbers can be expressed as fractions with a denominator of 1 $ $
$\dfrac { 39 } { 50 } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 100 } { 1 } }$
$\dfrac { 39 } { \color{#FF6800}{ 50 } } \times \dfrac { \color{#FF6800}{ 100 } } { 1 }$
$ $ Reduce all denominators and numerators that can be reduced $ $
$\dfrac { 39 } { \color{#FF6800}{ 1 } } \times \dfrac { \color{#FF6800}{ 2 } } { 1 }$
$\color{#FF6800}{ \dfrac { 39 } { 1 } } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 2 } { 1 } }$
$ $ numerator multiply between numerator, and denominators multiply between denominators $ $
$\color{#FF6800}{ \dfrac { 39 \times 2 } { 1 \times 1 } }$
$\dfrac { \color{#FF6800}{ 39 } \color{#FF6800}{ \times } \color{#FF6800}{ 2 } } { 1 \times 1 }$
$ $ Multiply $ 39 $ and $ 2$
$\dfrac { \color{#FF6800}{ 78 } } { 1 \times 1 }$
$\dfrac { 78 } { \color{#FF6800}{ 1 } \times 1 }$
$ $ Multiplying any number by 1 does not change the value $ $
$\dfrac { 78 } { \color{#FF6800}{ 1 } }$
$\dfrac { 78 } { \color{#FF6800}{ 1 } }$
$ $ If the denominator is 1, the denominator can be removed $ $
$\color{#FF6800}{ 78 }$
Solution search results
search-thumbnail-Which of the following rational numbers are 
equivalent? 
$0Ptionsy$ 
A \frac{5}{6}, \frac{30}{36} 
B $s\sqrt{rac\left(} -2\right)\left(3\right)\sqrt{1rac} \sqrt{4\right)16\right)4} $ 
C $s\sqrt{11aC\left(} -4\right)1-7b,\sqrt{1rac\left(16\sqrt{35\right)9} } $ 
D \frac{1}{2},\frac{3}{8}
7th-9th grade
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