3 2/7 * 2/3 + 2/3 * 2 5/7 = 2/3 * (3 2/7 + 2 5/7) = 2/3 * 6 = 2 * 2 = 4
1
21/2=10.5
13/5=2.6
10.5*2.6=27.3
2
37/9=4.1
11/17=0.65
4.1*0.65=2.665