Subtract 5 2/3-2 3/4

In order to add or subtract mixed numbers, you first need to

change them to improper fractions.

5-2/3 = 17/3

2-3/4 = 11/4.

Now, in order to add or subtract fractions, you need to write

them over a common denominator.

17/3 = 68/12

11/4 = 33/12

Now you're ready to subtract:

68/12 - 33/12 = 35/12 = 2-11/12

the answer is about 2.91666