Transcript Adding and Subtracting Fractions & Mixed Numbers in Real

Where
Sierra
Money Goes
John
Savings
½
1/3
Spend at Mall
¼
3/5
Left Over
?
?
Sierra and John each receive an
equal allowance. The table
shows the fraction of their
allowance that they each
deposit into their savings
account and the fraction they
spend at the mall.
What fraction of John’s
allowance goes into his savings
account or is spent at the mall?
Who has more money left
over?
Explain how the error in
3/8 + 2/8 = 5/16 was
made. Tell how the
sum should be found.
 As of 2002, 5/14 of the United States
presidents were born in either Virginia or
Ohio, and 1/6 were born in either
Massachusetts or New York. What fraction
were born in one of these four states?
 A recipe for punch calls for 1 ½ quart of
orange juice, 1 ¼ quart of ginger ale, and ¾
quart of cranberry juice. How many quarts
of punch will the recipe make?
 Suppose you rode a bicycle for 3 ½
hours, and jogged for 1 ¼ hours.
How long did you exercise on that
day?
6 1/6 + 1 2/3 + 5 5/9
 Jamal used a bucket that was 7/9 full with
soapy water to wash his mother’s car. After
washing the car, the bucket was only 1/6 full.
What part of the bucket of soapy water did
Jamal use?
 A picture is mounted on art board that is 1/8
inch thick. The frame selected for the picture
is ½ inch thick. The thickness of the picture is
so small that it can be ignored. What
thickness of cardboard is needed to hold the
picture in place?
 After 1 hour, Jon had finished 5/6 of a
long-distance race, and Ling had finished
7/9 of it. At that time, who had finished a
greater fraction of the race, and by how
much?
A fish tank that holds 18 2/3
gallons of water has 10 ½
gallons so far. How much
more water can be added?
A doll maker cuts a piece of lace
8 5/8 inches long from a piece
10 ½ inches long. How many
inches of lace are left?
Company
High
Price
Low
Price
Restaurant
A
52 5/16
21 1/8
Restaurant
B
42 ¼
30 ¾
Restaurant
C
68 3/8
29 ¾
Until several years ago,
stock prices were listed
as mixed numbers.
Find the difference
between the high and
low price of each
restaurant chain stock
shown in the table.
a. Restaurant A
b. Restaurant B
c. Restaurant C