Answer :
[tex]\frac{18}{42}=\frac{18:2}{42:2}=\frac{9}{21}=\frac{9:3}{21:3}=\boxed{\frac{3}{7}}[/tex]
18 | 2
9 | 3
3 | 3
1
42 | 2
21 | 3
7 | 7
1
2,3
GCF (18,42) = 2*3 = 6
[tex] \dfrac{18}{42} = \dfrac{18:6}{42:6} = \dfrac{3}{7} [/tex]
9 | 3
3 | 3
1
42 | 2
21 | 3
7 | 7
1
2,3
GCF (18,42) = 2*3 = 6
[tex] \dfrac{18}{42} = \dfrac{18:6}{42:6} = \dfrac{3}{7} [/tex]
