Dylan loved pencils. He had a whole box full of pencils in different colors and designs. One-seveth of them were yellow, one-sixth of them were blue, and the rest of the pencils had designs on them. What fraction represents the pencils with designs on them?

Answer 1

1/7 = 6/42
1/6 = 7/42

6/42 + 7/42 = 13/42

42/42 = 13/42 = 29/42