3. 5/8 - (2/8)

Question

A. -3/8
B. -7/8
C. 3/8
D. 7/8 my answer

4. -9/10 - 2/5
A. -1 3/10 my answer
B. -1 1/10
C. -7/10
D. -5/10

are these right?

Answer 1

#3 no - you added
#4 ok

Answer 2

well i chose 7/8 for my final answer for #3 and i got it right
but thanks

Answer 3

Is this your problem for 3?

5/8 - (-2/8)

That is not the problem you posted and the one that ooblek answered.

Answer 4

oh wait
sorry i thought i added the negative