What is 24/42 in the simplest form?

What is the largest common factor of both 24 and 42?

24 is divisible (without remainder) by 4, 6, 8 and 24.  42 is divisible by 2, 21, 3, 14,  6, 7.  Your job is to identify the common factor found in each 24 and 42.

6 divides without remainder into both 24 and 42.  

Thus, you have     24        6*4
                               =  
                              42         6*7

Cancel the sixes.  This leaves you with 4/7, which cannot be reduced further.

Ithink if ur looking for a ratio it would be 12: 3