Question 210884
a person has to hike 2 1/10 miles but only goes 2/3. How far had he hiked? 
2 1/10 x 2/3 = 2.1*2/3 = 1.4 miles.  Or,
21/10 * 2/3 = 42/30 = 7/5 =  1 2/5 miles.