5th grade add and subtract fractions with unlike denominator

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to have unlike denominators?

Back

Unlike denominators are when the denominators of two or more fractions are different, making it necessary to find a common denominator to add or subtract them.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator for 1/3 and 8/9?

Back

The least common denominator (LCD) of 1/3 and 8/9 is 9. You can convert 1/3 to 3/9 to have the same denominator.

Front

What is the first step in subtracting fractions with unlike denominators?

Back

The first step is to find a common denominator for the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Calculate: 8/9 - 1/3. What is the answer?

Back

5/9

Tags

CCSS.7.NS.A.1C

Front

What is the first step in adding fractions with unlike denominators?

Back

The first step is to find a common denominator for the fractions.

Tags

CCSS.7.NS.A.1C

Front

Calculate: 2/5 + 3/10. What is the answer?

Back

7/10

Tags

CCSS.7.NS.A.1C

Front

What is the sum of 1/8 and 1/3?

Back

11/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor (GCF).

Front

Calculate: 9/20 - 1/4. Write the difference in simplest form.

Back

1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2