GED Math Practice Test

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the GED Math Test with our comprehensive quiz. Practice with multiple choice questions and get detailed hints and explanations to boost your confidence and skills. Enhance your test readiness today!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the definition of the lowest common denominator?

The smallest number that is the denominator for two or more common fractions
The smallest fraction that is greater than zero
The smallest sum of two fractions
The smallest whole number greater than zero

The correct answer is: The smallest number that is the denominator for two or more common fractions

The definition of the lowest common denominator is indeed the smallest number that serves as the denominator for two or more fractions. When working with fractions, especially when adding or subtracting them, it’s essential to convert them to a common denominator. The lowest common denominator makes this process efficient by ensuring that you're using the smallest multiple of the original denominators, which simplifies calculations and maintains the integrity of the values represented by the fractions.