Respuesta :

trombonebookworm
Looking at 49 and 21, you immediately know that 7 can be divided out of both.

49:21
=49/7:21/7
=7:3

7:3 is the answer.

Hope this helps!

xxkellyjelly
7:3

49:21 (DIVIDE 49 BY 7 WHICH GIVES YOU 7, DIVIDE 21 BY 7 WHICH GIVES YOU 3)