Find the difference and reduce to lowest terms.
13 over 21 minus 6 over 21
(1 point)
Responses
3 over 21
Image with alt text: 3 over 21
1 over 3
Image with alt text: 1 over 3
7 over 21
Image with alt text: 7 over 21
1 over 7
1 answer
Image with alt text: 1 over 7
1 answer