Question

8 4/5 - 2/3 - ? = 3 1/10
/ this is fraction not division

Answer 1

we transform the fractions

44/5 - 2/3 - ? = 31/10

? = 31/10 - 44/5 + 2/3

? = (93-264+ 20)/30= -151/30

? = -151/30

we check

44/5 -2/3 -151/30)=

44/5 -2/3 - 151/30 = 31/10 or 3 1/10