GCF easy
The Greatest Common Factor of 6 & 18
What is 6
The Greatest Common Factor of 15 & 21
What is 3
The Greatest Common Factor of 18 & 36
What is 18
4/11 + 4/11
What is 8/11
The Greatest Common Factor of 2 & 24
What is 2
The Greatest Common Factor of 14 & 70
What is 7
The Greatest Common Factor of 32 & 48
What is 8
2 1/3 + 3 1/3
What is 5 2/3
The Greatest Common Factor of 5 & 15
What is 5
The Greatest Common Factor of 20 & 44
What is 4
The Greatest Common Factor of 24 & 80
What is 8
1/10 + 4/10
What is 1/2
21 x 9
What is 189
The Greatest Common Factor of 12 & 20
What is 4
The Greatest Common Factor of 24 & 36
What is 12
The Greatest Common Factor of 18 & 90
What is 9
77/100 + 23/100
What is 1
17 x 12
What is 204
The Greatest Common Factor of 3 & 9
What is 3
The Greatest Common Factor of 10 & 45
What is 5
The Greatest Common Factor 25 & 150
What is 25
3/20 + 1/20
What is 1/5
315 x 6
What is 1890