The reduced fraction for 21/30 is 7/10
0.7
7 / 30
21/12 as a reduced fraction = 1.75
30 is an integer and not a fraction. An integer cannot be reduced.
21/40 cannot be reduced.
21/40 cannot be reduced.
The fraction 19/21 cannot be reduced any more.
736 and 21 are comprime so the fraction cannot be reduced.
30% = 3⁄10
The fraction 21/100 cannot be reduced any more.
0.042 as a reduced fraction is 21/500
21/40