108 over 14 would be 54/7 or 7 5/7.
5/7 multiplied by 9/10 is 9/14
7 over 40
21
2/7 * 5/9 = (2*5)/(7*9) = 10/63
7 multiplied by 5 is 35. 7 multiplied by 5 = 35
5/6 x 3/7 = 5/14 or five fourteenths.
7/1 multiplied by 2/5 is 2 4/5 or 2.8
4/49
2/35
It's 21/5 or 4.2.
It is 2.1 or 21 over 10