What is 58 : 42 in fraction.?

58:42=58/42=29/21
It can be represented by mixed fraction 1-8/21

29/21.

58:42, spoken as "58 to 42" describes a ratio which is equivalent to the fraction 58/42 which may be
reduced to the fraction 29/21.

Ratio down
58:42 :: 29 ; 21
Hence as a fraction 21/29

This will not cancel further, because '29' is prime number.

If you mean what fraction of the whole given a ration of 58 to 42, it would be 58/(58+42) or 58/100. That reduces to 29/50.

29 by 21

(58 : 42) in fraction

= 58/42

= 29/21

29/21
29 is a prime number so you cannot simplify it more.

29/21