Adding and Subtracting Mixed Numbers with Like Denominators

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/2.

Front

How do you add mixed numbers with like denominators?

Back

To add mixed numbers with like denominators, first add the whole numbers together, then add the fractions together, and simplify if necessary.

Front

What is the first step in subtracting mixed numbers with like denominators?

Back

The first step is to subtract the whole numbers, then subtract the fractions.

Front

What does it mean to simplify a fraction?

Back

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

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator to find the whole number, and use the remainder as the new numerator.

Front

What is the process for adding fractions with like denominators?

Back

When adding fractions with like denominators, keep the denominator the same and add the numerators.

Front

What is the process for subtracting fractions with like denominators?

Back

When subtracting fractions with like denominators, keep the denominator the same and subtract the numerators.

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

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 5/4.