I need help on how to write a mixed number as a fraction 4 9/17

Question

77/17

multiply 17 times 4 + 9. then put the #
u get on top and keep the bottom #

Thanks Mike

4 9/17
is the same as

(17*4 + 9 )/17
where * means times.

thanks erny

11

9+4=13 so 17
13
----
221
answer is 221