Adding and Subtracting Fractions with Like Denominators

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 for fractions to have like denominators?

Back

Fractions have like denominators when they share the same denominator, allowing for direct addition or subtraction of their numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you subtract fractions with like denominators?

Back

To subtract fractions with like denominators, subtract the numerators and keep the denominator the same. For example, a/b - c/b = (a-c)/b.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add fractions with like denominators?

Back

To add fractions with like denominators, add the numerators and keep the denominator the same. For example, a/b + c/b = (a+c)/b.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the result of 4/6 - 1/6?

Back

The result is 3/6, which can be simplified to 1/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the result of 2/12 + 3/12?

Back

The result is 5/12.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

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

Back

The result is 3/5.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 15/16 - 12/16?

Back

The result is 3/16.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the result of 1/2 + 1/2?

Back

The result is 1, or 2/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How can you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).