(5/8-1/16)×(2/9+2/3)

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(5/8-1/16)×(2/9+2/3)
(5/8-1/16)×(2/9+2/3)

(5/8-1/16)×(2/9+2/3)
(5/8-1/16)×(2/9+2/3)
=(10/16-1/16)×(2/9+6/9)
=9/16×8/9
=1/2