Lesson 24. Deduction of rational shots

You can subtract two or more simple fraction as long as the denominators are the same.

EXAMPLE:

Calculate:

The lowest common multiple is (х + 3)(x + 1), so change both fractions so that the denominators are (х + 3)(x + 1).

Lesson 24

•  Test 1 
•  Test 2
•  Test 3