Respuesta :
20-3/4=? First you have to get a common at the bottom so you do 20/1 you have to have her same as 4 so you multiple it by 4 what you do to 1 side you do to the other 20×4=80 so 80/4-3/4 80-4=76/4 76÷4=19 so 20-3/4=19