Adding and Subtracting fractions and mixed numbers

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 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 add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to convert the mixed numbers into improper fractions.

Tags

CCSS.7.NS.A.1C

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 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

What is the process for subtracting fractions?

Back

To subtract fractions, ensure they have the same denominator, then subtract the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you simplify a fraction?

Back

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

Front

What is the sum of 1/5 and 4/15?

Back

The sum of 1/5 and 4/15 is 3/15.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 3 1/4 - 1 4/5?

Back

The result of 3 1/4 - 1 4/5 is 1 17/20.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2