Question

Give a rational number that is equivalent to 4/7 with 
(a) numerator 20
(b) denominator 28​

Answer 1

Answer:

Step-by-step explanation:

TO DETERMINE

A rational number equivalent to 4/7 with

1) Numerator 20

2) denominator 28

CONCEPT TO BE IMPLEMENTED

Any fraction is of the form

Fraction = Numerator / Denominator

EVALUATION

The given rational number is 4/7

Answer to Question : 1

In order to find an equivalent rational number with numerator as 20 , we need to multiply both numerator and denominator by 4

So the number becomes

= ( 4 × 5 ) / ( 7 × 5 )

= 20/35

Hence the required rational number is

20/35

Answer to Question : 2

In order to find an equivalent rational number with denominator as 28 , we need to multiply both numerator and denominator by 4

So the number becomes

= ( 4 × 4 ) / ( 7 × 4 )

= 16/28

Hence the required rational number is

16/28

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Answer 2

Answer:

a. 20/35

b. 16/28

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