can you help me please

Answer:
step 2 is one wrong because 4/5-5/4 is not 0
In order for it to be 0 it had to be 4/5-4/5
So to solve this you’d have to find the LCM of the fractions
which is 20
so convert that it would be
16/20+7-25/20
now solve
6 11/20
That would be the correct answer