4/9 * 3/7 = 12/63 = 4/21
4/7 x 3/4 is 3/7
It is: 3/7 times 4/6 = 2/7 in its lowest terms
(4/3)*(6/7) = 8/7
3/4 x 7/12 is 7/16
7 x 3/4 = 21/4
5 over 7 times 5 = 25/7 = 3 4/7
0.001875 or 3/1600
21/3 * 1/4 = 7/3 * 1/4 = 7/12
24/7 or 3 3/7
-3/5 x 4/7 is -12/35
28*3/7 = 4/3 = 12
(13/4) * 4 = 7/4*4 = 7.