Adding and Subtracting Dissimilar Fractions

What is the first step in adding dissimilar fractions?

• Find the least common multiple

• Add the numerators directly

• Subtract the denominators

• Draw a diagram

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What does LCD stand for in the context of fractions?

• Least Common Denominator

• Last Common Divisor

• Least Common Difference

• Lowest Common Denominator

How do you convert 1/2 to a fraction with denominator 4?

• Multiply both numerator and denominator by 2

• Divide both numerator and denominator by 2

• Multiply both numerator and denominator by 4

• No conversion needed

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the result of subtracting 1/2 from 2/3 when both are converted to have a denominator of 6?

• 1/3

• 1/6

• 2/6

• 3/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the LCD of 6 and 4?

• 12

• 24

• 6

• 4

How do you add mixed numbers 1 1/5 and 5 1/2?

• Convert to improper fractions and find LCD

• Add whole numbers and fractions separately

• Multiply denominators

• None of the above

Tags

CCSS.7.NS.A.1C

What is the final step after finding the LCD and adjusting fractions in subtraction?

• Divide the numerators

• Multiply the numerators

• Subtract the numerators

• Add the numerators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the equivalent fraction of 3/8 with a denominator of 24?

• 3/24

• 8/24

• 6/24

• 9/24

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

After converting fractions, what is the sum of 5/6 and 3/8 when both have a common denominator?

• 11/24

• 17/24

• 8/24

• 20/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of subtracting 1 1/4 from 3 1/6 when converted to improper fractions with a common denominator?

• 2 5/12

• 1 5/12

• 2 1/12

• 1 11/12

Tags

CCSS.7.NS.A.1C