Question

I need help with 1(F)

Answer 1

Explanation:

1) e) -3 - (-1) = -3 + (+1) = -2

f)
`3(7)/(8)- (-1(1)/(4)) = (31)/(8)-(-(5)/(4))\\`

`= (31)/(8) + (+(5)/(4))\\\\= (31)/(8) + (5*2)/(4*2)\\\\= (31)/(8) + (10)/(8)\\\\= (31+10)/(8)\\\\= (41)/(8)\\\\= 5(1)/(8)`