Adding Fractions

Front

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

Back

Find a common denominator for the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator for two fractions?

Back

You can find the least common multiple (LCM) of the denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the formula for adding two fractions with the same denominator?

Back

If a/b and c/b are two fractions, then a/b + c/b = (a+c)/b.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the formula for adding two fractions with different denominators?

Back

If a/b and c/d are two fractions, then a/b + c/d = (a*d + b*c) / (b*d).

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What do you do after finding a common denominator and adding the numerators?

Back

Simplify the resulting fraction if possible.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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 can you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator to get the whole number, and the remainder becomes the new numerator.

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

What is the importance of simplifying fractions?

Back

Simplifying fractions makes them easier to understand and work with.

Front

What is the relationship between fractions and decimals?

Back

Fractions can be converted to decimals by dividing the numerator by the denominator.