Add Subtract Multiply Divide Fractions

To simplify a fraction, I need to

• divide the numerator and denominator by the same number

• add the numerator and denominator by the same number

• multiply the numerator and denominator by the same number

• subtract the numerator and denominator by the same number

1/2 equals how many eighths?

• 2

• 4

• 6

• 8

The denominator represents how many parts are

• in the fraction

• in the problem

• in the whole

• up in the air

To simplify a fraction you must you which operation

• add

• subtract

• multiply

• divide

To unsimplify a fraction you use which operation?

• multiplication

• addition

• subraction

• division

When adding or subtracting fractions, you -

• use our 4-box method

• only add/subtract numerators & add/subtract denominators

• keep change flip

• do not need to find common denominators

When multiplying fractions, you -

• multiply the numerators & multiply the denominators

• keep change flip

• find common denominators

• do not have to reduce

When dividing with fractions, you -

• divide across top and bottom

• find common denominator

• keep change flip

• reduce

Aiden mowed 1/3 of the lawn and stopped to drink a glass of water. He then mowed 1/6 of the lawn before running out of gas. How much of the lawn did he mow?

Write your answer in its simplest form.

• 1/2

• 3/6

• 1/6

• 2/9

Noe jogged 4/5 miles on Monday and 1/10 miles on Tuesday. What is the difference between those two distances?

• 7/10 miles

• 3/10 miles

• 3 miles

• 3/5 miles