Module 2 : Rational Numbers Concepts

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that is common to the denominators of two or more fractions.

Front

How do you find the least common denominator of 3/4, -2/5, and 3/2?

Back

The least common denominator of 3/4, -2/5, and 3/2 is 20.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor is the largest positive integer that divides all the given numbers without leaving a remainder.

Front

How do you find the GCF of 20, 44, and 88?

Back

The GCF of 20, 44, and 88 is 4.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest multiple that is common to two or more numbers.

Front

How do you find the LCM of 4 and 10?

Back

The LCM of 4 and 10 is 20.

Front

Order the following numbers from greatest to least: -2.35, -2.54, -2.01, 2.01, 2.35, 2.54.

Back

The order from greatest to least is: 2.54, 2.35, 2.01, -2.01, -2.35, -2.54.

Front

What is the GCF of 12 and 16?

Back

The GCF of 12 and 16 is 4.

Front

What is the process to find the least common denominator of fractions?

Back

To find the least common denominator, list the multiples of each denominator and find the smallest multiple that appears in all lists.