3/12 ÷ 7/10 = 30/84 simplfied to 5/14.
6/30 = 1/5 = 0.2
No, it can be further simplfied to 1/3
3/4 ÷ 12/5 = 15/48 which can be simplfied to 5/16.
1 and 3/36 = 1 and 1/12
21/30 can be simplfied to 7/10
283
45/36 = 15/12 = 5/4
6 and 121 over 576
4/9
Yes it could be simplified.
It cannot be simplfied any further.