How do you write 21 4/5 as an improper fraction?

1 Answer
Nov 5, 2015

109/5

Explanation:

First, write 21 as a fraction with 5 in the denominator. To do this, multiply it by 5 and put it over 5.
21 * 5 = 105
21 = 105 /5

Now add the 4/5.

105 /5 + 4/5

you can combine the numbers on top like so:

(105 +4)/5

and arrive at your answer:

109/5