21/25 Divide the numerator and denominator by 2: 84/100 ---> 42/50 ---> 21/25
(12/25) / 21 dividing is the same thing as multiplying by the reciprocal. therefore you can say... (12/25) * (1/21) = 12/525
21.8621
If you divide both the numerator and denominator by 25, you get 21/40.
21
21/25 Divide the numerator and denominator by 2: 84/100 ---> 42/50 ---> 21/25
(12/25) / 21 dividing is the same thing as multiplying by the reciprocal. therefore you can say... (12/25) * (1/21) = 12/525
21.8621
divide by 21
If you divide both the numerator and denominator by 25, you get 21/40.
Add them all and divide by five.
21 divide into 6450 = 0.0032558139534883722
The reverse, in the sense of undoing the effects of "divide by 21" is "multiply by 21".
-44
21
That is it's simplest form since they do not share any common factors. If you are looking for the mixed number form, you just have to divide by 25. 46/25 = 1 and 21/25.
Divide 42 by 2 to give you 21.