Question

subtract 3 by minus 4 and 4 by 5​

Answer 1

Answer:

4-3=1

5-4=1

this is the answer

Answer 2

3/-4 - 4/5
sol: 3/-4 - 4/5
(3 x 5)-(4 x -4)/-4 x 5
15-(-16)/-20
-31/20