3 fifths
30 / 5 = 6 Answer: thirty fifths
15
That depends how many fifths there are.
two fifths is equal to two fifths
Expressed with a denominator of 5, 1 3/5 is equal to 8/5 or eight fifths.
1/5
There are 4 of them.
four fifths is equal to eight tenths 4/5 = 8/10
3
Two and a half, obviously.
No - five tenths is equal to a half. Four fifths is equal to eight tenths.