(5 8/15-4 7/10)•2 2/3-5/9

Question

(5 8/15-4 7/10)•2 2/3-5/9

Answer 1

(5 16/30-4 21/30)*2 2/3-5/9=(46/30-21/30)*2 2/3-5/9=1 1/6*2 2/3-5/9=7/6*8/3-5/9=56/18-5/9=56/18-10/18=46/18=2 10/18