whats 5/6 - 1/4

To subtract fractions, you need to have a common denominator. The common denominator of 6 and 4 is 12:

5/6 = (5/6)(2/2) = 10/12
1/4 = (1/4)(3/3) = 3/12

Now you can subtract:
10/12 - 3/12 = 7/12

Therefore, 5/6 - 1/4 = 7/12.