Question

Someone help please is been so long seems I don’t do this

Answer 1

0.5 or 1/2

Explanation:

Step 1. 40/50−15/50

Step 2. 40-25= 25/50

Step 3. 25/50÷ 5 =5/10

5/10÷ 5 =1/2

4/5−3/10=1/2