(20 1/5 - b)- 6 1/3 при b=11 2/15

Question

(20 1/5 - b)- 6 1/3 при b=11 2/15

Answer 1

101/5-b-19/3=(303-95)÷15 -b= 208/15 -b
при b=167/15 , то (208-167)/15=2 11/15