Solution: two thirds
3/4
4/5
Using the principle of general division
( 1)、2/3=2×20/3×20=40/60
3/4=3× 15/4× 15=45/60
4/5=4× 12/5× 12=48/60
because
Compared with denominator fraction, the bigger the numerator, the bigger it is.
So:
2/3