Question

If 1:m = 2 1 2 : 12 3 and m:n = 11 4 : 31 2 Find 1:m:n​

Answer 1

m

l

=1

2

1

:1

3

1

m

l

=

3

4

2

3

=

2

3

×

4

3

=

8

9

l=

8

9

m

n

m

=2

3

1

:4

4

1

=

4

17

3

7

=

3

7

×

17

4

=

51

28

m=

51

28

n

n=

28

51

m

l:m:n=

8

9

m:m:

28

51

m

=

8

9

:1:

8

9

×56:56:

28

51

×56

=72:56:102

=36:28:51