1.) 1/4 ÷ 2= 2.) 4.56 x 19.3

3.) 2 9/12÷6 3/4=

4.) 9/4 ÷ ⅜=

5.) 3/4÷6 ½=

6.) 345 3/10 - 212 8/20

7.) 517 35/50 + 312 3/100

8.)632 16/25 - 234 10/20

9. 596 18/30 + 220 67/100

This is the answer of your question
( Step by step )
1) 1/4 ÷2 = 0.125
2) 4.56 x 19.3 = 88.008
3) 2 9/12 ÷63/4= 0.1746031746
4) 9/4 ÷3/8= 6
5 ) 3/4 ÷ 6 1/2 = 0.11538461538
6 ) 345 3/10 - 212 8/20 = 132.9
7 ) 517 35/50 + 312 3/100 = 829.73
8 )632 16/25 - 234 10/20 = 398.14
9 ) 596 18/30+ 220 67/100 = 817.27