21 7/19 - 6 8/19

To find the difference between 21 7/19 and 6 8/19, we first need to convert both mixed fractions into improper fractions.

21 7/19 can be written as:

(21 x 19 + 7) / 19 = 413 / 19

6 8/19 can be written as:

(6 x 19 + 8) / 19 = 122 / 19

Now we can subtract the two improper fractions:

413 / 19 - 122 / 19 = 291 / 19

Therefore, the difference between 21 7/19 and 6 8/19 is 291/19.