1. 12 7/8 – 6 1/12
2.7 2/7 – 3 2/3
3. 6 5/18 – 2 7/12
4. 14 3/5 – 7 3/4
1. 12 7/8 – 6 1/12
= 96/8 – 73/12
= 288/24 – 146/24
= 142/24
= 5 22/24
= 5 11/12
2. 7 2/7 – 3 2/3
= 51/7 – 11/3
= 253/21 – 77/21
= 176/21
= 8 8/21
3. 6 5/18 – 2 7/12
= 113/18 – 31/12
= 226/36 – 93/36
= 133/36
= 3 25/36
4. 14 3/5 – 7 3/4
= 73/5 – 31/4
= 292/20 – 155/20
= 137/20
= 6 17/20
1. 12 7/8 – 6 1/12
103/8 – 73/12
103×12/8×12 – 73×8/12×8
1.236/96 – 584/96
652÷4/96÷4
163/24 atau 6 19/24
2. 7 2/7 – 3 2/3
51/7 – 11/3
51×3/7×3 – 11×7/3×7
153/21 – 77/21
76/21 atau 3 13/21
3. 6 5/18 – 2 7/12
113/18 – 31/12
113×12/18×12 – 31×18/12×18
1.356/216 – 558/216
798÷6/216÷6
133/36 atau 3 25/36
4. 14 3/5 – 7 3/4
73/5 – 31/4
73×4/5×4 – 31×5/4×5
292/20 – 155/20
137/20 atau 6 17/20