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

1 answer

start fraction 3 over 7 end fraction