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Reducing Fractions (4th and 5th grade practice)
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Can 6/21 be simplified?
yes, by 3 (2/7)
Can 8/25 be simplified?
no (factors for 8 are 1, 2, 4, 8 and factors for 25 are 1, 5, 25)
Can 6/24 be simplified?
yes (1/4) Divide by 6.
Can 21/35 be simplified?
yes (3/5), You can divide both numbers by 7.
Can 6/9 be simplified?
yes (2/3)
Can 4/5 be simplified?
no
Can 8/10 be simplified?
yes (4/5)
Can 1/3 be simplified?
no
Can 4/7 be simplified?
no (factors of 4 are 1, 2, 4 and factors for 7 are 1, 7)
Can 6/28 be simplified?
yes (3/14)
Can 2/9 be simplified?
No (factors of 2 are 1, 2 and factors of 9 are 1, 3, 9)
Can 9/81 be simplified?
yes (1/9)
Can 9/17 be simplified?
no (factors of 9 are 1,3,9 and factors of 17 are 1,17)
Can 6/7 be simplified?
no (factors of 6 are 1, 2, 3, 6 and factors for 7 are 1, 7)
Can 10/30 be simplified?
yes (1/3)
Can 8/24 be simplified?
yes (1/3)
Can 5/16 be simplified?
no (factors of 5 are1 ,5 and factors of 16 are 1, 2, 4, 8, 16)
Can 3/11 be simplified?
no (factors of 3 are 1, 3 and  factors of 11 are 1, 11)
Can 8/22 be simplified?
yes (4/11)
What is the bottom number of a fraction called?
 
Denominator
 
Numerator
What is the top number of a fraction called?
 
Numerator
 
Denominator
Can 15/20 be simplified? 
yes (3/4)
Can 3/9 be simplified? 
yes (1/3)
Can 10/25 be simplified? 
yes (2/5)
Can 3/5 be simplified? 
no (factors of 3 are 1, 3 and factors of 5 are 1, 5)
Can 4/8 be simplified? 
yes (1/2)