12 minutes
4
1 = 5 fifths 2 = 10 fifths 3 = 15 fifths 4 = 20 fifths
6
Three fifths of one fourth is equivalent to 0.15.
45 mins
27/20 or 2 and 7/20
(3/5) + (3/20) = (12/20) + (3/20) = 15/20 = 3/4
3/5 + 3/20 = 12/20 + 3/20 = 15/20 = 3/4
It is 1 3/20.
3/5 of 20 = 1220 / 5 = 44 x 3 = 123/5 of 20 is 12. This is because 3/5*20/1=60/5 which reduces to 12.
20
3/20