1. 3 × 1/3 +1/2 2.4 1/2 × 1/2 -1/2 3.4/5 ×3/5 +2/7 4. 1 2/9 × (3/5 + 2/3) 5.2 4/9 × (6/7 - 1/8) 6.3 2/7 : 4 + 1/2 7.2 : 6/7 + 3 1/4 8.5/7 : 2/4 - 1/6 9.6/7 - 1/

1. 3 × 1/3 + 1/2

3/1 × 1/3 + 1/2

3×1/1×3 + 1/2

3/3 + 1/2

3×2/3×2 + 1×3/2×3

6/6 + 3/6

9÷3/6÷3

3/2 atau 1 1/2



2. 4 1/2 × 1/2 - 1/2

9/2 × 1/2 - 1/2

9×1/2×2 - 1/2

9/4 - 1/2

9×2/4×2 - 1×4/2×4

18/8 - 4/8

14÷2/8÷2

7/4 atau 1 3/4



3. 4/5 × 3/5 + 2/7

4×3/5×5 + 2/7

12/25 + 2/7

12×7/25×7 + 2×25/7×25

84/175 + 50/175

134/175



4. 1 2/9 × (3/5 + 2/3)

11/9 × (3×3/5×3 + 2×5/3×5)

11/9 × (9/15 + 10/15)

11/9 × 19/15

11×19/9×15

209/135 atau 1 74/135



5. 2 4/9 × (6/7 - 1/8)

22/9 × (6×8/7×8 - 1×7/8×7)

22/9 × (48/56 - 7/56)

22/9 × 41/56

22×41/9×56

902÷2/504÷2

451/252 atau 1 199/252



6. 3 2/7 ÷ 4 + 1/2

23/7 ÷ 4/1 + 1/2

23/7 × 1/4 + 1/2

23×1/7×4 + 1/2

23/28 + 1/2

23×2/28×2 + 1×28/2×28

46/56 + 28/56

74÷2/56÷2

37/28 atau 1 9/28



7. 2 ÷ 6/7 + 3 1/4

2/1 ÷ 6/7 + 13/4

2/1 × 7/6 + 13/4

2×7/1×6 + 13/4

14/6 + 13/4

14×4/6×4 + 13×6/4×6

56/24 + 78/24

134÷2/24÷2

67/12 atau 5 7/12



8. 5/7 ÷ 2/4 - 1/6

5/7 × 4/2 - 1/6

5×4/7×2 - 1/6

20/14 - 1/6

20×6/14×6 - 1×14/6×14

120/84 - 14/84

106÷2/84÷2

53/42 atau 1 11/42


9. 6/7 - 1/9 ÷ 2/9

6/7 - 1/9 × 9/2

6/7 - 1×9/9×2

6/7 - 9/18

6×18/7×18 - 9×7/18×7

108/126 - 63/126

45÷9/126÷9

5/14


10. 4/7 ÷ 3/5 + 6/5 × 2/9

4/7 × 5/3 + 6×2/5×9

4×5/7×3 + 12/45

20/21 + 12/45

20×45/21×45 + 12×21/45×21

900/945 + 252/945

1.152÷9/945÷9

128/105 atau 1 23/105