Jawabanmu

2014-09-11T20:27:43+07:00
4 2/5 - 1 1/3 + 2 3/4
= 4-1+2 24-20+45/60
= 5 49/60
klw 2/3+2 1/2+3 1/4
2/3+2 1/2+3 1/4 = 2+3 8+6+3/12 = 5 17/12 = 6 5/12
tolong lagi ya