Adding and Subtracting fractions and mixed numbers

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (the number of parts) and 'b' is the denominator (the total number of equal parts).

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, which means 2 whole parts and 1/4 of another part.

Tags

CCSS.3.NF.A.3C

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 subtracting fractions?

Back

The first step in subtracting fractions is to ensure they have a common denominator. If they don't, find the least common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

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

Back

3/15.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract a fraction from a mixed number?

Back

Convert the mixed number to an improper fraction, find a common denominator, and then subtract the fractions.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 2 1/4 + 3 2/12?

Back

5 5/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find the remaining amount after using a fraction of a whole?

Back

Subtract the fraction used from the whole to find the remaining amount.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the total amount of paint used if Sally used 1/8 gallon and 2/6 gallon?

Back

11/24 gallon.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2