• Hasil hitung dalam Bentuk pecahan untuk 42%+42/5-0,9 = •hasil hitung dari 4 1/3÷2÷1 5/6 = •bentuk pecahan campuran untuk hitungan 3/4x(0,72÷4/5)-8/20 =

*)42%+32/5-0,9=
42/100+42/5-9/10
=198/25
=7 23/25
=7,92
*)4 1/3÷2÷1 5/6=
4×1/3×1/2×5/6=2×1/3×5/6
= 1/3×5/3
=5/9
*)3/4×(0,72÷4/5)-8/20=
3/4×(18/25x5/4)-8/20=
3/4×(9/5×1/2)-8/20=
3/4×9/10×8/20=
27/40-8/20=11/40
=0.275

1. 42/100+42/5-9/10
=(42+840-90)/100
=792/100

2.4 1/3=13/3
2=2/1
1 5/6=11/6

13/3:2/1:11/6
=13/3 . 1/2 . 6/11
=78/66

3. 3/4
0,72= 72/100
4/5
8/20

3/4 . (72/100:4/5)-8/20
=3/4 . (72/100 . 5/4)-8/20
=3/4 . 18/20 - 8/20
=54/80 - 8/20
=(54-32)/80
=22/80