Fraction addition and subtraction

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 find a common denominator?

Back

Finding a common denominator means identifying a number that can be used as a denominator for two or more fractions to make them easier to add or subtract.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more numbers.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first 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 adding ⅘ + ½?

Back

The first step is to find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the least common denominator of 1/2 and 3/7?

Back

The least common denominator of 1/2 and 3/7 is 14.

Front

What is a remainder?

Back

A remainder is the amount left over when a number cannot be divided equally.

Tags

CCSS.4.NBT.B.6

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you subtract fractions?

Back

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

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of ⅖ and ⅗?

Back

The sum of ⅖ and ⅗ is 1.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D