4/5 + 3/4 + 1 1/20 =
maaf ini aku juga bingung cara pengerjaan nya ? :)

2
caranya : 4/5 + 3/4 + 11/20 = 16/20 + 15/20 + 11/20 = 42/20 = 2 2/20 = 2 1/10
4/5+3/4+1 1/20 ==4/5+3/4+21/20==16/20+15/20+21/20==52/20==2 12/20==2 6/10

Jawabanmu

2014-02-04T20:07:50+07:00
4/5 + 3/4 + 1 1/20=
4/5 + 3/4 + 21/20=
16/20 + 15/20 + 21/20=
52/20 = 2 12/20 = 2 3/5
2014-02-04T20:10:54+07:00
Hasilnya    52/20 =  2 12/20 = 2 3/5