Adding and Subtracting Fractions Rules!

Front

What are the main components of a fraction?

Back

A fraction consists of a numerator (the top number) and a denominator (the bottom number).

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share, used to add or subtract fractions with unlike denominators.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 11/7.

Front

What is a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator, such as 3/4.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

What is the first step in adding or subtracting fractions with different denominators?

Back

The first step is to find the least common denominator (LCD) for the fractions.

Front

What is the process of finding the least common multiple (LCM)?

Back

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

Front

What is the rule for adding fractions?

Back

To add fractions, ensure they have the same denominator, then add the numerators and keep the denominator the same.

Front

What is the rule for subtracting fractions?

Back

To subtract fractions, ensure they have the same denominator, then subtract the numerators and keep the denominator the same.

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms, where the numerator and denominator have no common factors other than 1.