tolong no 9 dan 10 pake cara nya

9. 1 1/4 + 1,56 = 1,25 + 1,56 = 2,81
10. 1 = 1 1/2
12 = 12 x 1 1/2 = 18
18 - 2 4/5 = 15 1/5

semoga bermanfaat

9. 1 1/4= 1,25

    1,25+1,56=2,81

10. 1 1/2 x12= 18

       18 - 16 4/5 =2 4/5

Jawaban No.9 - 10

 9. 2,81

10. 16 4/5