Question

Find the greater ratio. (a) 7:9 or 11:13​

Answer 1

Answer:

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9:13=

11

9

and 7:11=

11

7

Converting them into equivalent like fraction

by taking L.C.M of 13 and 11=143

13

9

=

13×11

9×11

=

143

99

and

11

7

=

11×13

7×13

=

143

91

As 91<99

143

91

<

143

99

⇒

11

7

<

13

9

Hence,

11

7

is the smaller ratio.

∴7:11 is the smaller ratio.

Answer 2

11:13 is the greatest ratio.