1. 3 2/3*4 = 11/3 * 4 = 44/3
2. 8 1/4 * 5 2/5 = 33/4 * 27/5 = 891/20
3. 44/3+891/20 = 880/60+2673/60 = 3553/60 = 59 13/60
4. 7 : 14/23 = 23/2
5. 12 1/2 : 1 1/4 = 25/2 : 5/4 = 10
6. 23/2 + 10 = 21 1/2
7. 59 13/60 - 21 1/2 = 3553/60 - 1290/60 = 2263/60 = 37 43/60
8. 56 23/40 : 37 43/60 = 2263/40 : 2263/60 = 3/2= 1 1/2