Fractions
Which number could be used as a common denominator to solve this problem?
4/5 - 1/3
15
What is the sum?
1/3 + 1/6
3/6 or 1/2
4/5 x 4/5
16/25
1/2 divide 3/4
4/6 or 2/3
Write the mixed number as an improper fraction:
3 5/8
3 5/8 = 29/8
What is 4 1/2 as an improper fraction?
9/2
5/8 x 3/4
15/32
What equation represents the word problem?
Jack has 5 cookies and gives half of the cookies to his friends. How many cookies does Jack have left?
1/2 * 5 = 2 1/2
1/2 of 5 is 2 1/2
5/8 divide 9/11
55/72
Write the fraction greater than one as a mixed number:
14/3
14/3 = 4 2/3
Before you multiply fractions, all improper answers should be turn into ___________ ______________ .
Mixed Numbers
4 1/2 * 3 1/2
15 3/4
5/8 * 4/9
20/72 = 5/18
1 2/6 divide 4/5
40/24 or 5/3
Write this improper as a mixed number 7/3 ?
2 1/3
What is the flip of a fraction called.
1/3 and 3 are ________________ of each other.
reciprocal
The distance around the desk 6 1/2 feet. How many feet would be traveled to go around the desk 4 times?
26 feet 2
6 1/2 * 4
There are 100 people watching a soccer game. When it starts to rain, 1/4 of the people go to their cars. How many people are still watching the game?
1/4 * 100 = 25
100 - 25 = 75
2 1/2 divide 3 1/3
15/20 or 3/4
Turn to mixed 78/10
7 4/5
Which of these fractions is the greatest?
3/5
6/7
6/11
1/3
6/7
When do we need common denominators?
a. adding fractions
b. subtracting fractions
c. multiplying fractions
d. dividing fractions
e. none of the above answers are correct
e. none of the above answers are correct
it is adding and subtracting
How many minutes is a "quarter of an hour"?
Hint: 1/4 of 60
1/4 * 60 = 15 minutes
Ryland has 3 1/2 chocolate bars and wants to share with his 8 friends. How much chocolate does each friend get? (Ryland doesn't want to keep any chocolate because he is selfless and kind).
3 1/2 divided by 8 is 7/16 so 7/16 of a chocolate bar
37/12