Question

Find an equivalent form of the rational numbers 3/8,9/4 and 20/21 having a common denominator​

Answer 1

Answer:

Given rational numbers are :

7

5

,

8

3

,

14

9

and

21

20

Now, LCM of 7, 8, 14 and 21 is 168

∴

7

5

=

7×24

5×24

=

168

120

8

3

=

8×21

3×21

=

168

63

14

9

=

14×12

9×12

=

168

108

21

20

=

21×8

20×8

=

168

160

Hence, the equivalent form is

168

120

,

168

63

,

168

108

and

168

160

respectively.

Answer 2

Step-by-step explanation:

thanks dear friend

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