42/5
The lowest term of 172 over 84 is 43/21 (in fraction form) or 21/21 (as a mixed number).
11/12
84 over 108 is 7/9
7/6
63/84 = = 3/4
226/29
1/3
21 over 25
6 over 7. (divide by two, then by two, then by three)
4/84 = 1/21 48/4 = 12
Both 84 and 120 are products of 12. If you divide 84 by 12, you get 7 and if you divide 120 by 12 you get 10. Therefore 84/120 = 7/10.
It is: 84