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A fraction can be reduced to lowest terms by inspection or by the greatest common ___ method (2-4)
 
Divisor
   
Common multiples are whole numbers used to raise fractions to ___ terms (2-5)
 
higher
   
In addition and subtraction of fractions, the most efficient common denominator is the ___ common denominator. It is abbreviated ___ (2-6)
 
least; LCD
   
A whole number divisible only by itself and 1 is a(n) ___ number. the first five of these numbers are ____, ____, ____, ____, and ____
 
prime number; 2, 3, 5, 7, 11
   
Like fractions have the same ___ (2-7)
 
denominator
   
To convert an improper fraction to a whole or mixed number, we ___ the numerator by the denominator (2-2)
 
divide
   
To convert a mixed number to an improper fraction, we begin by multiplying the denominator by the ___ number (2-3)
 
whole number
   
When adding unlike fractions, we begin by finding the ___ common denominator of those fractions
 
least
   
When subtracting unlike fractions, we ___ each fraction to the denominator of the LCD (2-8)
 
raise
   
When subtracting like fractions, we subtract the numerators and place the difference over the original ___
 
denominator
   
When multiplying fractions, cancellation is the shortcut process of finding common factors that ___ evenly into at least one of the numerators and one of the denominators (2-9)
 
divide
   
When dividing fractions, we ___ the fraction that is the divisor and then ___ the fractions (2-10)
 
identify; invert
   
Change 2 2/3 to an improper fraction.
 
8/3
   
Change 8 1/2 to an improper fraction.
 
17/2
   
Change 6 2/5 to an improper fraction.
 
32/5
   
Change 3 5/8 to an improper fraction.
 
28/8
   
Change 2 1/2 to an improper fraction.
 
5/2
   
Change 7 1/3 to an improper fraction.
 
22/3
   
What is the least common multiple of the following number sets? 4, 10, 14
 
140
 
140/4 = 35
140/10= 14
140/14= 10
   
What is the least common multiple of the following number sets? 2, 9, 14
 
126.
 
126/2= 63
126/9= 14
126/14= 9
   
What is the least common denominator (LCD) of the following fractions? 1/6, 11/2, 1/5
 
30
   
What is the least common denominator (LCD) of the following fractions?. 2/7, 1/13, 5/11
 
1,001
   
Select the greater fraction from the following:                      11/9     5/16
 
11/9
   
Select the greater fraction from the following:                      2/5       17/8
 
17/8
   
Calculate the following: Express in lowest terms:      5 1/5 + 1 5/16
 
6 41/80
   
Calculate the following: Express in lowest terms:      2/3 + 1/7
 
17/21
 
(LCD) is 21
2/3 + 1/7 = 14 + 3 = 21 = 17/21
   
Calculate the following: Express in lowest terms:      10 1/8 - 3 4/8
 
53/8

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