We found the factors and prime factorization of 80 and 100. The biggest common factor number is the GCF number. So the greatest common factor 80 and 100 is 20
remember that when you multiply 3/4 by 4/3 you get 12/12=1 so it simplifies remember that you can do anything to an equation as long as you do it to both sides
3/4 ties n=1 multiply both sides by 4/3 to clar fraction 12/12 times n=4/3 times 1 1 times n=4/3 n=4/3