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4 years ago

Please find the least common denominator for4/5 2/3

Mathematics

2 answers:

son4ous [18]4 years ago

5 0

Answer:

Step-by-step explanation:

Rewriting input as fractions if necessary:

4/5, 2/3

For the denominators (5, 3) the least common multiple (LCM) is 15.

LCM(5, 3)

Therefore, the least common denominator (LCD) is 15.

Calculations to rewrite the original inputs as equivalent fractions with the LCD:

4/5 = 4/5 × 3/3 = 12/15

2/3 = 2/3 × 5/5 = 10/15

Ghella [55]4 years ago

4 0

Answer:

A denominator of 15

Step-by-step explanation:

3 and 5 both go into 15, 4/5 = 12/15 and 2/3=10/15

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What is a prime number?

Alex17521 [72]

A prime number is a number that only has two factors: 1 and itself.

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4 years ago

Read 2 more answers

1 meter of ribbon costs $3<br> how much do you pay for 2 3/4 <br> If correct I will brainest u

defon

Answer:

You pay $8 $\frac{1}{4}$ for 2 $\frac{3}{4}$ meters of ribbon

Step-by-step explanation:

Let us solve the question

∵ 1 meter of ribbon costs $3

∵ We need to find the cost of 2 $\frac{3}{4}$ meters

→ Separate the length of the ribbon to a whole number and a fraction

∵ The length of the ribbon = 2 m + $\frac{3}{4}$ m

→ Multiply each part by the cost of 1 meter

∵ The cost of 1 meter = 3 dollars

∴ The cost of the ribbon = 3 × 2 + 3 × $\frac{3}{4}$

∴ The cost of the ribbon = 6 + $\frac{9}{4}$ dollars

→ Change the improper fraction $\frac{9}{4}$ to a mixed number

∵ 9 ÷ 4 = 2 $\frac{1}{4}$

∴ The cost of the ribbon = 6 + 2 + $\frac{1}{4}$

∴ The cost of the ribbon = 8 + $\frac{1}{4}$

∴ The cost of the ribbon = 8 $\frac{1}{4}$ dollars

∴ You pay $8 $\frac{1}{4}$ for 2 $\frac{3}{4}$ meters of ribbon

6 0

3 years ago

Simplify. -7 square root

OverLord2011 [107]

The square root of -1 is i. So you can simplify it to 7(sqrt)-1, which becomes 7i.

8 0

3 years ago

Find the central angle of a sector of a circle of the area of the sector and the area of the circle are in the proportion of 3:5

abruzzese [7]

Answer:

$\theta = 216$

Step-by-step explanation:

Given

Area of Sector : Area of Circle = 3 : 5

Required

Determine the central angle

The question implies that

$\frac{Area_{sector}}{Area_{circle}} = \frac{3}{5}$

Multiply both sides by 5

$5 * \frac{Area_{sector}}{Area_{circle}} = \frac{3}{5} * 5$

$5 * \frac{Area_{sector}}{Area_{circle}} = 3$

Multiply both sides by Area{circle}

$5 * \frac{Area_{sector}}{Area_{circle}} * Area_{circle} = 3 * Area_{circle}$

$5 * {Area_{sector} = 3 * Area_{circle}$

Substitute the areas of sector and circle with their respective formulas;

$Area_{sector} =\frac{\theta}{360} * \pi r^2$

$Area_{circle} = \pi r^2$

So, we have

$5 * \frac{\theta}{360} * \pi r^2 = 3 * \pi r^2$

Divide both sides by $\pi r^2$

$5 * \frac{\theta}{360} * \frac{ \pi r^2}{\pi r^2} = 3 * \frac{\pi r^2}{\pi r^2}$

$5 * \frac{\theta}{360} = 3$

Multiply both sides by 360

$360 * 5 * \frac{\theta}{360} = 3 * 360$

$5 * \theta = 3 * 360$

Divide both sides by 5

$\frac{5 * \theta}{5} = \frac{3 * 360}{5}$

$\theta = \frac{3 * 360}{5}$

$\theta = \frac{1080}{5}$

$\theta = 216$

Hence, the central angle is 216 degrees

3 0

3 years ago

You are given a fraction in simplest form. The numerator is not zero. When you write the fraction as a decimal, it is a repeatin

Agata [3.3K]

Hi there! The answer is 3, 6, 7, and 9.
1,2,4,5,8, and 10 cannot be put as denominators because if so, there would be:
1. no decimals
2. termination after one or two decimal places.

Cheers!
-10th Grader Snow

6 0

3 years ago