Question 175341
first you solve for 6-3/4   You need to find the common denominator for both numbers in this case it is four. the number 6 becomes 24/4 you haven't changed the number it is still the same quantity but you can now perform the subtraction part with the fraction.64/4-3/4=21/4 divided by 3=7/4

8 divided by 1 is still eight  but we need to find a common denominator to solve the problem in this case it is 3. 24/3-1/3=23/3