Question

four fifth of a number is more than three fourth of a number by 4. find the number

Answer 1

we can't understand your question. :-)

Answer 2

4x/5 + 4 = 3x/4
4x/5 - 3x/4 = -4
(16x - 15x)/20 = -4
x = -4*20 = -80
The number is - 80