GCF stabd for greatest common factor
Given nummber is 18+45
the factor of 18 is
[tex]18=9\times2[/tex]Simililarlt thae factor of 45 is
[tex]45=5\times9[/tex]Use the value in the given expression : 18+45
[tex]\begin{gathered} 18+45 \\ 9(2+5) \end{gathered}[/tex][tex]\begin{gathered} 18+45=2(3\times3+5)_{} \\ 18+45=2(9+5)_{} \\ 18+45=2(14) \\ 18+45=28 \end{gathered}[/tex]The GCD of the number us 28.
