mengubah pecahan desimal ke pecahan biasa soalnya 11.3,12. 12.4,24. 13.5,28. 14.5,68. 15.604. 16.6,45. 17.7,44. 18. 8,52. 19. 9,06. 20.10,78

no 11. 3,12=312/100
no 12. 4,24=424/100
no 13. 5,28=528/100
no 14. 5.68=568/100
no.15 604
no 16 6,45=645/100
no 17. 7,44=744/100
no18 8,52=852/100
no19 9,06=906/100
n020 10,78=1078/100