1.tentukanlah hasil penjumlahan berikut A.4per9+2per9 B.3per6+5per6 C.2 1per3+3per4 D.2per3+3 5per9 E.2per3+2 1per2+3 1per4

Jawaban akhir =
1.)
a. 2/3
b. 1 1/3
c. 3 1/12
d. 4 2/9
e. 6 5/12

Cara ada dilampiran--

A.→4/9+2/9=6/9=2/3

B.→3/6+5/6=8/6=4/3=1 1/3

C.→2(1/3+3/4)=2+(4+9/12=13/12=1 1/12)
→2+1 1/12=*****3 1/12***

D.2/3+3 5/9=6/9+5/9=11/9=3 11/9=4 2/9

E.(2+3)2/3+1/2+1/4=8+6+3/12=17/12=1 5/12

=5+1 5/12=****6 5/12****