Divide by 2.
2/20= (2/2)/(20/2)=1/10
4/9
20/12 = 5/3 by dividing the numerator and denominator by their HCF which is 4
20 over 96 reduced to its lowest term is 5/24
20 over 25 reduced to its lowest term is 4/5.
It is: 15/20 = 3/4 in its lowest terms
15/20 = 3/4 in its lowest terms
9 over 20.
25
29 over 20 or 1 and 9/20
20/64 = 5/16
2/3
2/5