2. Master Math ™ Problems Finding the Lowest Common Denominator (LCD)

3. Master Math ™ Problems 1.Arrange denominators in horizontal row as dividends. Place under upside down division sign Finding the Lowest Common Denominator 8 16

4. Master Math ™ Problems 1.Arrange denominators in horizontal row as dividends. Place under upside down division sign 2.Find smallest number that divides into two or more denominators an exact number of times — 2. Make this number the divisor Finding the Lowest Common Denominator 2 8 16

5. Master Math ™ Problems 3.Divide denominators by divisor and write quotients below Finding the Lowest Common Denominator 2 8 16 4 8

6. Master Math ™ Problems 3.Divide denominators by divisor and write quotients below 4.Find smallest number that divides into two or more quotients an exact number of times — 2. Divide quotients by this divisor and write quotients below Finding the Lowest Common Denominator 2 8 16 2 4 8

7. Master Math ™ Problems 2 8 16 2 4 8 2 2 4 2 1 2 1 1 5.Repeat steps 2–3 until no more quotients can be divided. Bring down quotients not divisible by divisor if necessary — 1 Finding the Lowest Common Denominator

8. Master Math ™ Problems 5.Repeat steps 2–3 until no more quotients can be divided. Bring down quotients not divisible by divisor if necessary — 1 6.Multiply all divisors and quotients together to find lowest common denominator — 16  Finding the Lowest Common Denominator 2 8 16 2 4 8 2 2 4 2 1 2 1 1 2  2  2  2  1  1 = 16