as both 5 and 13 are prime numbers, it cannot be reduced. ya....
To 5/13
5/13
It reduces to 5/13
13
13/21 can't be reduced.
2/13 is in reduced form
Divide both, the numerator and denominator, by 5.
That is in its simplest form - it cannot be reduced any further !
6/13 is in lowest terms and can't be reduced.
The fraction 13/35 cannot be reduced any more.
The fraction 13/40 cannot be reduced any more.
The fraction 22/13 cannot be reduced any more.