1. 8 7/9 – 45/6 =…2. 6/8 – 3/16 =…3. 3 10/15 + 15/20 =…4. 3 3/12 + 4 5/8
1. 79/9 – 45/6 = 158/18 – 135/18 = 23/18
2. 12/16 – 3/16 = 9/16
3. 55/15 + 15/20 = 1100/300 + 225/300 = 1325/300 = 53/9
4. 39/12 + 37/8 = 78/24 + 111/24 = 189/24 = 63/8
1. 8 7/9 – 45/6 =…2. 6/8 – 3/16 =…3. 3 10/15 + 15/20 =…4. 3 3/12 + 4 5/8
1. 79/9 – 45/6 = 158/18 – 135/18 = 23/18
2. 12/16 – 3/16 = 9/16
3. 55/15 + 15/20 = 1100/300 + 225/300 = 1325/300 = 53/9
4. 39/12 + 37/8 = 78/24 + 111/24 = 189/24 = 63/8