Hitunglah penjumlahan dan pengurangan pecahan campuran 1.3 1/2 + 7 3/10 2.5 1/8+ 6 1/2 3.3 3/10+ 2 1/8 4.3 5/9 + 8 1/3 5.5 1/4 + 6 5/66.5 2/9 - 4 1/5
7.9 5/6 - 7 3/4
8.3 2/3 - 2 1/4
9.15 9/10 - 7 5/6
10. 23 4/6 - 8 2/15

Bismillah

nomer 1
3. 1/2 + 7. 3/10
(3+7) + (1/2 + 3/10)
10 + (5/10 + 3/10)
10. 8/10

nomer 2
5. 1/8 +. 6. 1/2
(5+6)+(1/8 + 1/2)
11 (1/8 + 4/8)
11 5/8

nomer 3
3. 3/10 + 2. 1/8
(3+2)+(3/10 + 1/8)
5 + (12/40 + 5/40)
5 +. 17/40

nomer 4
3. 5/9. +. 8. 1/3
(3 + 8) + (5/9 + 1/3)
11 ( 15/27 + 9/27)
11. 24/27
11 8/9

nomer 5
5. 1/4 + 6. 5/6
(5 + 6) +(1/4 + 5/6)
11 + (6/24 + 20/24)
11 + ( 26/24)
11 + ( 1. 1/12)
12. 1/12

nomer 6
5. 2/9 - 4. 1/5
(5 - 4) + (2/9 - 1/5)
1 + (10/45 - 9/45)
1. 1/45

nomer 7
9. 5/6. - 7. 3/4
(9-7)+(5/6 - 3/4)
2 + (10/12 - 9/12)
2 1/12

nomer 8
3. 2/3 - 2. 1/4
(3 -2)+ (8/12 - 3/12)
1 5/12

nomer 9
15. 9/10 - 7. 5/6
(15 - 7) + (54/60 - 50/60)
8 (4/60)
8. 4/60
8 1/15

nomer 10
23. 4/6 - 8. 2/15
(23 - 8) (4/6 - 2/15)
15 (20/30 - 4/30)
15 16/30
15. 8/15