Выполните действие: 7/9+5/12-25/72

Question

Выполните действие: 7/9+5/12-25/72

Answer 1

7/9+5/12=28/36+15/36=28+15/36=43/36=1 7/36
43/36-25/72=86/72-25/72=61/72

Answer 2

7/9×9+5/12×6-25/72=56/72+30/72-25/72=86/72-25/72=61/72