Question

9 and 4/5 + 8 and 1/2

Answer 1

9 4/5 = 9 8/10 = 98/10
8 1/2 = 8 5/10 = 85/10
Now you can add them easily, right?

Answer 2

You can change the fractions to equivalent fractions with the same denominator:
9 4/5 = 9 8/10
+
8 1/2 = 8 5/10

or change them to equivalent decimals.
9.8 + 8.5 =