COMPLEX FRACTIONS AND FRACTIONAL EQUATIONS

Define a complex fraction.

Simplify:

1.

2.

3.

4.

(Harvard.)

5. If

what is the value of

? (Univ. of Penn.)

6. Simplify the expression

(Cornell.)

7. Simplify

8. Solve

9. Solve

10. How much water must be added to 80 pounds of a 5 per cent salt solution to obtain a 4 per cent solution? (Yale.)

Reference: See Complex Fractions, and the first part of the chapter on Fractional Equations in any algebra.