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4 years ago

What is 15/21 subtracted by 5/7 equal ?

Mathematics

2 answers:

Neporo4naja [7]4 years ago

5 0

Answer:

10 over 7 is the answer

Step-by-step explanation:

Artemon [7]4 years ago

3 0

Answer:

Step-by-step explanation:

Step 1: Make common denominators

What is the LCM of 21 and 7: 7

So, we need to convert both fractions into a 21 denominator.

15/21 * 1/1 = 15/21

5/7 * 3/3 = 15/21

Step 2: Subtract the numbers

15/21 - 5/7 is same as 15/21 - 15/21

15/21 - 15/21

0

Answer: 0

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Katena32 [7]

Answer:

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Step-by-step explanation:

Given

Small Square:

$Dimension: s$

Large Square:

$Dimension: 2s$ i.e. twice as long as the small square

Solving (a): The area of the small square.

This is calculated as

$Area = Length^2$

So, we have:

$A_1 = s^2$

Solving (b): The area of the large square.

This is calculated as

$Area = Length^2$

So, we have:

$A_2 = (2s)^2$

$A_2 = 4s^2$

Solving (c): Number of small square to cover the large square

To do this, we simply divide their areas.

Let n represents the required number; n is calculated as:

$n = \frac{A_2}{A_1}$

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$n = 4$

Hence, 4 small squares is required to cover the large square

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3 years ago

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Agata [3.3K]

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4 years ago

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marishachu [46]

Answer:

Step-by-step explanation:

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