42/84 = 1/2
5/7
84 to 60 as a fraction = 84/60 or 7/5
84/210 = 2/5
No. To convert 25/40 to something/84, multiply top and bottom by 84 ÷ 40 = 21/10 40 x 21/10 = 84 25 x 21/10 = 521/2 ≠ 60
If you mean 84/210 then it is 2/5
No.
84/60 = 7/5
60/84 = 5/7
84/99
Yes. 84/100 = 21/25
36/84 = 3/7