Finding Equivalent Fractions Using Common Denominators

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

2/5 + 3/10

• 7/10

• 5/10

• 1/2

• 5/15

What is the the next step to finding this answer?

• Add the numerators (1+1=2)

• Multiply 12 X 1 for both fractions to find a new numerator
  

• Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)

• This is a mistake, you don't need to convert to twelfths

²/₄ is the same as ____

• ³/₄

• 1

• ¹/₄

• ¹/₂

• 6

• 12

• 8

• 7

• 10

• 15

• 20

• 25

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30

• 11

• 6

• 5

Solve this equation using the least common denominator.
¼ + ½

• 3/4

• 2/8

• 6/4

• 6/8

What is the common denominator of the problem
⅞ + ⅝ ?

• 8

• 18

• 26

• 12