Express the following fraction in lowest terms.
start fraction 18 over 42 end fraction
(1 point)
Responses
start fraction 9 over 21 end fraction
Image with alt text: start fraction 9 over 21 end fraction
start fraction 6 over 14 end fraction
Image with alt text: start fraction 6 over 14 end fraction
start fraction 1 over 3 end fraction
Image with alt text: start fraction 1 over 3 end fraction
start fraction 3 over 7 end fraction
start fraction 3 over 7 end fraction
To express the fraction 18/42 in its lowest terms, we need to find the greatest common divisor (GCD) of the numerator (18) and the denominator (42) and divide both the numerator and denominator by this GCD.
The GCD of 18 and 42 is 6. Therefore,
18/42 = (18 ÷ 6) / (42 ÷ 6) = 3/7.
So, the fraction 18/42 expressed in lowest terms is 3/7.