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3 years ago

Find the quotient of 4/7 and 2/4

Mathematics

2 answers:

max2010maxim [7]3 years ago

4 0

Answer:

1 1/7

Step-by-step explanation:

4/7 ÷2/4

Copy dot flip

4/7 * 4/2

16/14

Divide the top and bottom by 2

8/7

Change the improper fraction to a mixed number

7 goes into 8 1 time with 1 left over

1 1/7

iren [92.7K]3 years ago

3 0

Answer:

1 2/14 ; 1 1/7

Step-by-step explanation:

To solve, change the division sign to a multiplication sign and flip the second fraction.

(4/7)/(2/4) = (4/7)(4/2)

Multiply across

(4 * 4)/(7 * 2) = (16)/(14)

Simplify. Change to mixed fraction (& further simplify if needed).

16/14 = 1 2/14

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Read 2 more answers

Which fractions have a least common denominator of 36?

lutik1710 [3]

Answer:

The answer is a =3/4 and 5/18

Step-by-step explanation:

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3 years ago

Please can I have an explanation also, I am terrible at these kinds of questions!

wlad13 [49]

Answer:

<em>The fraction of the beads that are red is</em>

Step-by-step explanation:

<u>Algebraic Expressions</u>

A bag contains red (r), yellow (y), and blue (b) beads. We are given the following ratios:

r:y = 2:3

y:b = 5:4

We are required to find r:s, where s is the total of beads in the bag, or

s = r + y + b

Thus, we need to calculate:

$\displaystyle \frac{r}{r+y+b} \qquad\qquad [1]$

Knowing that:

$\displaystyle \frac{r}{y}=\frac{2}{3} \qquad\qquad [2]$

$\displaystyle \frac{y}{b}=\frac{5}{4}$

Multiplying the equations above:

$\displaystyle \frac{r}{y}\frac{y}{b}=\frac{2}{3}\frac{5}{4}$

Simplifying:

$\displaystyle \frac{r}{b}=\frac{5}{6} \qquad\qquad [3]$

Dividing [1] by r:

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{1+y/r+b/r}$

Substituting from [2] and [3]:

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{1+3/2+6/5}$

Operating:

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{\frac{10+3*5+6*2}{10}}$

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{10}{10+15+12}$

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{10}{37}$

The fraction of the beads that are red is $\mathbf{\frac{10}{37}}$

8 0

3 years ago

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dimaraw [331]

Answer:

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Step-by-step explanation:

the answer is in the question

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