So first you do 7-1 which is 6 so now your going to solve the fractions. So 4/10 - 1/3 but then you have to find the LCD which is 30 so then you would do 12/30 - 10/30 = 2/30 so 2/30 is equal to 1/5 so after that you add the 6 to 1/5 and equals 6 1/5