Add & Subtract Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/3.

Tags

CCSS.3.NF.A.3C

Front

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

Back

Front

What is an improper fraction?

Back

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed numbers?

Back

Convert each mixed number to an improper fraction, add the fractions, and convert back to a mixed number if necessary.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting mixed numbers?

Back

Convert each mixed number to an improper fraction.

Tags

CCSS.7.NS.A.1C

Front

What do you do if the numerator is smaller than the denominator when subtracting fractions?

Back

You may need to borrow 1 from the whole number part of the mixed number to make the numerator larger.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the least common denominator?

Back

List the multiples of each denominator and find the smallest multiple that appears in both lists.

Front

What is the process for simplifying fractions?

Back

Divide the numerator and the denominator by their greatest common factor (GCF).

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor is the largest number that divides two or more numbers without leaving a remainder.