Answer:
[tex]\displaystyle 1\frac{8}{9}[/tex]
Step-by-step explanation:
A repeating decimal such as 0.1111111 or 0.77777 can be written as [tex]\frac{n}{9}[/tex] where n is the number being repeated ("0.nnnnn").
1.88888 - 1 = 0.888888
0.888888 = [tex]\frac{8}{9}[/tex]
1 + [tex]\frac{8}{9}[/tex] = 1[tex]\frac{8}{9}[/tex]
