Add and Subtract Fractions

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

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 least common multiple (LCM)?

Back

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

Front

What is the greatest common divisor (GCD)?

Back

The greatest common divisor is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you subtract fractions with different denominators?

Back

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

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

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

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

Tags

CCSS.3.NF.A.3C

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator to find the whole number, and use the remainder as the new numerator.

Front

What is the process to find a common denominator?

Back

To find a common denominator, determine the least common multiple (LCM) of the denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2