1) (-2/5) - (-3/5)= -2/5 + 3/5= 1/5
2) (5/8) - (-7/8)= 5/8 + 7/8= 12/8= 3/2
3) (-1/9) - (2/9)= -1/9 - 2/9= -3/9= -1/3
1) (-2/5) - (-3/5)
= -2/5 + 3/5
= 1/5
2) (5/8) - (-7/8)
= 5/8 + 7/8
= 12/8
= 3/2
3) (-1/9) - (2/9)
= -1/9 - 2/9
= -3/9
= -1/3