2 1/3 - 1 3/4=

2 1/3 = 2 4/12 = 1 16/12

1 3/4 = 1 9/12

Subtract and simplify the answer.

There are a couple ways to do this problem.

One is to changed the mixed numbers to improper fractions... get a common denominator and then subtract. Finally, change the improper fraction back to a mixed number.

Another way is to get common denominators for the fractions, but you will have to borrow from the whole number.

Are you okay or do you need more help?