Tolong di bantu pleasee

12.c
13.d
14.c


12. 72 / 120 = 3/5 (bagi dua)
13. 10/20 + 15/20 + 8/20 = 33/20 = 1 13/20
14. 8/20 + 24 /20 +16/20 = 16/20=4/5