63/16
4/49
6.it's 19 and 1 half
3/14
It is 2.1 or 21 over 10
7/12 × 6/14 = 1/4
0.6667
4/21 or 4 over 21 because 1x4 is 4 and 7x3 is 21
1.75 or 1 and 3/4
(7/9) x (4/63) = (1/9) x (4/9) = 4/81
4/7 rounded to the nearest half is 0.5
7/16 * 4/35 = 1/16 * 4/5 = 1/4 * 1/5 = 1/20
21/32, which is already in lowest terms