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

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Answer 1 · 2015-11-05T06:34:41

#109/5#

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#