Comparing Fractions by Cross Multiplication

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Show your work for each problem.

1.
Which fraction is greater: or ?
1. a)
2. b)Cannot be determined
3. c)They are equal
4. d)
2.
When comparing and by cross multiplication, what is the left cross product ()?
3.
Are and equal?
1. a)Cannot compare
2. b)No, is greater
3. c)No, is greater
4. d)Yes, they are equal
4.
Compare and using cross multiplication.
5.
When comparing and , what is the right cross product ()?
6.
Which fraction is smaller: or ?
1. a)
2. b)Cannot be determined
3. c)They are equal
4. d)
7.
A recipe needs cup of sugar. Another needs cup. Which recipe uses more sugar?
8.
If , and the cross products are vs , what is the smallest whole number value of ?
9.
Order these fractions from least to greatest: , ,
10.
A store sells 5 apples for 3 euros or 8 apples for 5 euros. Which deal gives more apples per euro?
1. a)8 apples for 5 euros
2. b)Cannot determine
3. c)They are equal
4. d)5 apples for 3 euros
11.
What symbol (<, >, or =) goes between and ?
12.
Compare and .
13.
Which fraction is closest to : , , or ?
1. a)
2. b)
3. c)They are all equally close
4. d)
14.
Find a value of such that (the fractions are equal).
15.
Three students completed different portions of a test. Anna finished , Ben finished , and Cara finished . Who completed the most?
16.
If , which inequality must be true?
1. a)
2. b)
3. c)
4. d)