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6 2/11•3 4/17-8 5/9
(1/4)+(2/3)

6 2/11•3 4/17-8 5/9 = 11 4/9

1) 6 2/11=68/11

2) 3 4/17=55/17

3) (68/11)*(55/17)=(55/11)*(68/17)=5*4=20

4) 20- 8 5/9=(20-8)-5/9=12-5/9=11 4/9

(1/4)+(2/3)=3/12+8/12=11/12

62/11*34/17-85/9=149/91)62/11=68/112) 34/17=55/173) (68/11)*(55/17)=55/11*68/17=5*4=201/4+2/3=3/12+8/12=11/12