Question

Rewrite the sum of 30 and 40 by factoring out the greatest common factor

Answer 1

gcd 30 and 40

40 = 30*1+10

30 = 10*3+0

gcd(30.40) = 10

sum of 30 and 40 by factoring out the greatest common factor:

10(3+4)= 10(7)