Sweet - Least Common Denominator Practice

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

How do you find the LCM of two fractions?

Back

To find the LCM of two fractions, first find the LCM of the denominators, then use that LCM to rewrite the fractions with a common denominator.

Front

What are multiples?

Back

Multiples of a number are the results of multiplying that number by whole numbers (e.g., multiples of 3 are 3, 6, 9, 12, etc.).

Front

Find the multiples of 4.

Back

The multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, etc.

Front

Find the multiples of 3.

Back

The multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, etc.

Front

What is the LCM of 4 and 3?

Back

The LCM of 4 and 3 is 12.

Front

How do you rewrite fractions with a common denominator?

Back

To rewrite fractions with a common denominator, convert each fraction to an equivalent fraction that has the same denominator.

Front

Rewrite 2/4 and 1/3 with a common denominator.

Back

2/4 = 6/12 and 1/3 = 4/12.

Front

What is the sum of 2/4 and 1/3 when rewritten with a common denominator?

Back

The sum is 6/12 + 4/12.

Front

What is the LCM of 8 and 3?

Back

The LCM of 8 and 3 is 24.