Question

What is 21/49 sinple

Answer 1

21/49 in simplist from would be 3/7.
Your answer is 3/7

Answer 2

For this question if you want to find the simplest form can say:
(21÷7) /(49÷7) 
so you will have: 3/7 and that's the simplest form :)))
i hope this is helpful 
have a nice day