Answer :
Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100
Common Factors: 1, 2, 4, 5, 10, 20
Greatest Common Factor: 20
[tex] \frac{40:20}{100:20}= \frac{2}{5} \\ \\ \frac{40}{100}= \frac{2}{5} [/tex]
Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100
Common Factors: 1, 2, 4, 5, 10, 20
Greatest Common Factor: 20
[tex] \frac{40:20}{100:20}= \frac{2}{5} \\ \\ \frac{40}{100}= \frac{2}{5} [/tex]