Question

Please tell me who are intelligent in math please answer this

Answer 1

Answer:

This is very easy.

you have to only opposite the signs .

Answer 2

Answer:

1st fraction puzzle

4/5 - 2/5 = 2/5

+        -         +

1/5 + 1/5 = 2/5

=        =       =

1    -    1/5 =  4/5

2nd fraction puzzle

2/3 - 1/3 = 1/3

 +       +      +

3/3 -  2/3 = 1/3

=         =        =

5/3  -   1   = 2/3