PODCole can bike 24 miles in 48 minutes. How many miles can he bike in 60 minutes? Use a unit rate to solve.

1-2 Complex Fractionsand Unit Rates

Complex fractions are fractions with a numerator, denominator, or both that are also fractions.

142

Ex:

14

2

Ex: simplify

Recall that a fraction can also be written as a division problem

1 4

÷ 2=

= 1 4

2 1

=

÷

1 4 × 1

2=

1 8

Simplify:

112

= 2a.

b. 23

2= 3

Josiah can jog 1 1/3 miles in ¼ hour. Find his average speed in miles per hour.16

3 = 5 mi/hr13

I do:

Tia is painting her house. She paints 34 ½ square feet in ¾ hour. At this rate, how many square feet can she paint each hour?

Tia can paint 46 square feet per hour

We do:

Mr. Ito is spreading mulch in his yard. He spreads 4⅔ square yards in 2 hours. How many square yards can he mulch per hour?

2⅓ square yards per hour

Aubrey can walk 4½miles in 1½ hours. Find her average speed in miles per hour.

3 miles per hour

Write each percent as a fraction in simplest form

24 ⅘%

31125

I do:

Write each percent as a fraction in simplest form

12 ⅔%

19150

we do:

453

a. 236

4b. 415=

7 9=

PODSimplify

3¼ ÷ 2½

54⅙%basic Advanced