Basic Fractions & Skills

What is the first step in adding or subtracting fractions? (Example:  $\frac{1}{5}$   +  $\frac{1}{2}$   = ?)

• Adding the numerators

• Adding the denominators

• Find a common numerator

• Find a common denominator

What would be the best choice of a common denominator for adding  $\frac{1}{3}$  and  $\frac{1}{4}$  ?

• 3

• 4

• 12

• 24

What is the Greatest Common Factor (GCF) for 12 and 18?

• 2

• 3

• 6

• 9

What is the Least Common Multiple (LCM) for 12 and 18?

• 12

• 18

• 24

• 36

One way to ALWAYS make a common denominator would be to...

• Add the two denominators together

• Multiply the two denominators together

• Subtract the two denominators

• Give the teacher a gift to get the answer

Which of the following fractions is NOT equivalent to  $\frac{2}{3}$   

•  $\frac{3}{6}$  

•  $\frac{3}{9}$  

•  $\frac{6}{9}$  

  
  

•  $\frac{4}{10}$  

What is  $\frac{28}{36}$  shown in simplest form?

•  $\frac{14}{18}$  

•  $\frac{2}{3}$  

•  $\frac{14}{16}$  

•  $\frac{7}{9}$  

What do you call a number like this:  $\frac{15}{4}$  ?

• Mixed Fraction

• Improper Numerals

• Mixed Number

• Improper Fraction

What makes a fraction improper?

• It is less than 1

• It is less than $\frac{1}{2}$

• It is greater than zero

• It is greater than one whole

What is this quantity called?
 $1\frac{3}{5}$  

• Biggie Number

• Mixed Number

• Improper Fraction

• Mixed Fraction