(40:72-1\3)*2 1\4+8\9 помогите!!!!!!!!

Question

(40:72-1\3)*2 1\4+8\9 помогите!!!!!!!!

Answer 1

(40:72-1/3)*2 1/4+8/9=
(5/9-1/3)*2 1/4+8/9=
(5/9-3/9)*2 1/4+8/9=
2/9 * 9/4+8/9=
1/2+8/9=
9/18+16/18=
25/18= 1 7/18

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