Understanding Fractions: Adding and Finding Common Denominators

What type of fractions have the same bottom number?

• Mixed fractions

• Like fractions

• Unlike fractions

• Equivalent fractions

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What do we need to find to add fractions with different denominators?

• Equivalent fractions

• Larger fraction

• Smaller fraction

• Common numerator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the product of the denominators used for in the 'easiest common denominator' method?

• To find the new numerator

• To subtract the fractions

• To simplify the fractions

• To find the common denominator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What do you multiply the original fractions by in the 'easiest common denominator' method?

• The least common multiple

• Whole fractions corresponding to the other's denominator

• Each other's numerators

• Their own denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of 2/5 and 1/3 when using the common denominator of 15?

• 13/15

• 11/15

• 10/15

• 14/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the common denominator used to add 7/8 and 3/10?

• 78

• 100

• 80

• 18

After finding the common denominator, what is the next step in adding the fractions?

• Subtract the numerators

• Add the numerators

• Multiply the denominators

• Simplify the result

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the final result of adding 7/8 and 3/10 using the method described?

• 94/80

• 93/80

• 17/18

• 11/80

Tags

CCSS.7.NS.A.1C