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.

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed numbers with like denominators?

Back

To add mixed numbers with like denominators, first add the whole numbers, then add the fractions, and if necessary, convert the result back to a mixed number.

Tags

CCSS.7.NS.A.1C

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.

Tags

CCSS.7.NS.A.1C

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 9/4.

Tags

CCSS.3.NF.A.3C

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 the result over the original denominator.

Front

What is the sum of 6 2/5 and 4 1/5?

Back

The sum is 10 3/5.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the difference between 7 4/7 and 5 2/7?

Back

The difference is 2 2/7.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the result of 4 1/4 minus 2 3/4?

Back

The result is 1 2/4, which can be simplified to 1 1/2.

Tags

CCSS.7.NS.A.1C

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.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms by dividing the numerator and denominator by their greatest common divisor.