Adding & Subtracting Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/4.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you subtract mixed numbers?

Back

To subtract mixed numbers, first subtract the whole numbers, then subtract the fractions. If needed, convert the fraction to have a common denominator.

Tags

CCSS.7.NS.A.1C

Front

What is the first step to add or subtract fractions with unlike denominators?

Back

Find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is 2 1/4 as an improper fraction?

Back

2 1/4 = 9/4.

Front

What is the sum of 1/2 and 1/3?

Back

The sum is 5/6 after finding a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is 6 2/4 - 2 2/5?

Back

The answer is 4 1/10.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you simplify the fraction 8/12?

Back

Divide both the numerator and denominator by their greatest common factor, which is 4. So, 8/12 simplifies to 2/3.

Front

What is the difference between 8 2/4 and 3 2/3?

Back

The difference is 4 5/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What does it mean to find a common denominator?

Back

Finding a common denominator means to find a number that both denominators can divide into evenly, allowing for easy addition or subtraction of fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2