Answer :
Improper fractions have a greater numerator than the denominator:
8 = 8*(10/10) = 80/10
now add
8 + 9/10
80/10 + 9/10
(80 + 9)/10
89/10
8 = 8*(10/10) = 80/10
now add
8 + 9/10
80/10 + 9/10
(80 + 9)/10
89/10