Question

Find the one rational number between 3/5 and 4/5 solution

Answer 1

3/5=.6
4/5=.8
rational between these two are two many for example .75 =75/100=3/4

Answer 2

if we will multiply 3/5 with 3 in its numerator & denominator
=3*3/5*3=9/15
if we will multiply 4/5 with 3 in its numerator & denominator
=4*3/5*3=12/15
hence, 10/15 is number between 3/5 and 4/5 .
note:you could take 10/15 or 11/15.