Adding Subtracting Multiplying Dividing Fractions and Mixed Numbers

If you were to add \frac{1}{6}+\frac{2}{3} What is the least common denominator you would use to solve it?

• 3

• 6

• 9

• 12

Step 1: Make sure the bottom numbers (the denominators) are the same

Step 2: Add the top numbers (the numerators), put that answer over the denominator

Step 3: Simplify the fraction (if needed)

• subtracting fractions rules

• multiplying fractions rules

• adding fractions rules

• dividing fractions rules

• Just multiply whole number by whole number and numerator by numerator and denominator by denominator

• Find a common denominator

• Change the mixed number to an improper fraction then multiply straight across

• Keep the first number, flip the second number, and then change the symbol

Fill in the blank to the essential question (from adding and subtracting fractions notes):

"How can I use _______________ fractions to add and subtract fractions?"

• similar

• common

• like

• equivalent

What is the difference of these fractions in lowest terms?

• 7/9

• 1/5

• 12/20

• 1/20

When do you need to find a common denominator?

• Only in adding fractions

• Only in subtracting fractions

• When multiplying or dividing fractions

• When adding or subtracting fractions

What is the LCD?

• Lowest Common Denominator

• Least Common Denominator

• Lesser Comparable Denominator

• Least Compatible Denominator

Mrs. Estrada planted a flower garden, as shown below. After the first 2 weeks, 5/8 of the flowers started to bloom. After another week, 1/4 of the flowers started to bloom. What fraction of Mrs. Estrada's garden started to bloom?

• 7/8

• 6/7

• 3/8

• 1/7

What is the product of these fractions in lowest terms?

• 1/3

• 3/5

• 3/6

• 2/6

What is a mixed number?

• A whole number

• A whole number combined with another whole number

• A whole number with a portion of a number

• A portion of a number