Question

Can someone tell me how to check if my fraction answer is correct or not. Without a calculator.
For example my question is

Answer 1

Step-by-step explanation:

using division method...

4/2=2

Answer 2

I don’t see your question, but I’ll still try to answer that. There is no method for ‘checking’ whether ur answer is right or wrong (at least in normal math). All you can do is repeat the steps in ur head or in the rough area to check whether u did it in the right method.