Find the Fraction of a Quantity

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Pre - Algebra

Fractions

Fraction of a Quantity

Find the Fraction of a Quantity

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Question 1 of 6

What is

$1/5$ of

$20$ cows?

(4) cows

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To get a fraction of a quantity, simply multiply the fraction to the quantity.

	$1/5$ $xx$ $20$

$=$	$1/5xx20/1$

$=$	$\frac{1}{5\div\color{#CC0000}{5}}\times\frac{20\div\color{#CC0000}{5}}{1}$	$5$ and $20$ are multiples of $5$

$=$	$1/1xx4/1$

$=$	$4/1$

$=$	$4$ cows

$4$ cows

Question 2 of 6

2. Question
What is $2/9$ of $18$ cupcakes?
- (4) cupcakes
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To get a fraction of a quantity, simply multiply the fraction to the quantity.

$2/9$ $xx$ $18$

$=$ $2/9xx18/1$

$=$ $36/9$

$=$ $4$ cupcakes

$4$ cupcakes

Question 3 of 6

What is

$3/15$ of

$$200$ ?

$$$ (40)

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To get a fraction of a quantity, simply multiply the fraction to the quantity.

	$3/15$ $xx$ $200$

$=$	$3/15xx200/1$

$=$	$\frac{3}{15\div\color{#CC0000}{5}}\times\frac{200\div\color{#CC0000}{5}}{1}$	$15$ and $200$ are multiples of $5$

$=$	$3/3xx40/1$

$=$	$120/3$

$=$	$40$ dollars

$$40$

Question 4 of 6

What is

$7/8$ of

$720$ mL?

(630) mL

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To get a fraction of a quantity, simply multiply the fraction to the quantity.

	$7/8$ $xx$ $720$

$=$	$7/8xx720/1$

$=$	$\frac{7}{8\div\color{#CC0000}{8}}\times\frac{720\div\color{#CC0000}{8}}{1}$	$8$ and $720$ are multiples of $8$

$=$	$7/1xx90/1$

$=$	$630/1$

$=$	$630$ mL

$630$ mL

Question 5 of 6

What is

$5/9$ of

$81$ cm?

(45) cm

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To get a fraction of a quantity, simply multiply the fraction to the quantity.

	$5/9$ $xx$ $81$

$=$	$5/9xx81/1$

$=$	$\frac{5}{9\div\color{#CC0000}{9}}\times\frac{81\div\color{#CC0000}{9}}{1}$	$9$ and $81$ are multiples of $9$

$=$	$5/1xx9/1$

$=$	$45/1$

$=$	$45$ cm

$45$ cm

Question 6 of 6

What is

$3/8$ of

$24$ chickens?

(9) chickens

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To get a fraction of a quantity, simply multiply the fraction to the quantity.

	$3/8$ $xx$ $24$

$=$	$3/8xx24/1$

$=$	$\frac{3}{8\div\color{#CC0000}{8}}\times\frac{24\div\color{#CC0000}{8}}{1}$	$8$ and $24$ are multiples of $8$

$=$	$3/1xx3/1$

$=$	$9/1$

$=$	$9$ chickens

$9$ chickens

Find the Fraction of a Quantity

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3. Question

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Quizzes

		$2/9$ $xx$ $18$

	$=$	$2/9xx18/1$

	$=$	$36/9$

	$=$	$4$ cupcakes