1. Calculate the difference: $1 - \frac{4}{7} = $ ___.
2. Find the value of the expression: $1 - \frac{7}{12} = $ ___.
3. A pie is whole. If you eat $\frac{2}{6}$ of the pie, what fraction of the pie is left?
4. A jug of juice is full. If you pour out $\frac{9}{10}$ of the juice, what fraction remains? The answer is ___.
5. In the expression $1 - \frac{3}{11}$, how should the number 1 be rewritten to make subtraction possible?
6. A race is 1 mile long. If a runner has completed $\frac{5}{8}$ of the race, what fraction of the race is left? The answer is ___.
7. Which equation correctly shows the subtraction for $1 - \frac{4}{9}$?
8. A chocolate bar is whole. If you give away $\frac{1}{4}$ of it, what fraction do you have left? The answer is ___.
9. Calculate the value of $1 - \frac{4}{7}$. The answer is ___.