Yes, 21/3 = 7/1
21/35 = 3/5
Both 21 and 9 can be divided by 3. 21/3=7 9/3=3 So 21 over 9 can be simplified to 7 over 3.
3/8
3/7
14/21 reduces to 2/3
Yes as both are divisible by 3.. 21 over 22
13/21 can't be reduced.
21/40 cannot be reduced.
25/21 is already reduced to its lowest terms
35 and 21 are both divisible by 7 35/7 = 5 21/7 = 3 35/21 = 5/3
You can divide both by 3. 18/ 21 = 6/7 6/7 is your answer.
The fraction 19/21 cannot be reduced any more.