Kak tolong nomor 12 sama 13 Sama cara mencarinya ya kak

12.
3 5/8 = 29/8
4 11/12 = 59/12

29/8 + 59/12 = 87/24 + 118+24 = 205/24 = 8 13/24 (C)

13.
6,8 = 68/10 = 34/5 (b)

12. 3 5/8 + 4 11/12

29/8 + 59/12

29×12/8×12 + 59×8/12×8

348/96 + 472/96

820÷4/96÷4

205/24

8 13/24 (c)


13. 6,8

68÷2/10÷2

34/5 (b)