Math, asked by Hadia30, 6 months ago


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Answers

Answered by BRAINhunter2020
2

11] 1/5+5/3

12] -2/5

13] 0.44444...

14] A number written in p/q form is called rational number

hope it helps...

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Answered by paarthureddy27018
1

Answer:

Your answers along with an explanation for question is given below:

Step-by-step explanation:

11. Firstly, we will add up all the fractions with the same denominator. Such as:

3/5 + (-2/5) + 7/3 + (-2/3)

1/5 + 5/3

Now, we will convert the denominators to the same value. Such as:

1/5 x 3/3 = 3/15

and

5/3 x 5/5 = 25/15

Now, we can add the numbers to get the answer. Such as:

25/15 + 3/15 = 28/15 = (1) 13/15 (mixed fraction)

12. -2/5 (commutative property)

13. Firstly, reciprocal -9/2 and 5/18. Such as:

-9/2 = (-2/9)

and

5/18 = 18/5

Now, we multiply to get the answer.

-2/9 x 18/5 = (-36)/45  

14. Rational numbers are numbers where the it is written in the form of p/q and q is a non-zero number. Every number is a Rational number.

For example, 4 is a rational number because 4 can be written as 4/1 and 1 is a non-zero number.

15. Let the number be x

     and the denominator of 8 be 1

x + (-5)/6 = 8/1

x = 8/1 - (-5)/6

Converting the denominators to the same value, We have:

8/1 x 6/6 = 48/6

and

(-5)/6 x 1/1 = (-5)/6

So, the equation becomes:

x = 48/6 - (-5)/6

x =  53/6 = (8) 5/6

Hope it helps you!

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