Second, 3 = 4/ 12 5/4.

2/1> 0.23/10 > 4/133/2 > May 2, October 3 & lt5/ 1

Three. 3/1= 15/55/2 =15/6 because15/5

A: The first harvester harvested faster.

Fourth, the circle is 7/3 1 1/5.