Equivalent Fractions Using Common Denominators

Same multiple of the denominators (same bottom numbers).

• Mixed Number

• Common Denominators

• Improper Fractions

• Equivalent Fractions

• 10

• 15

• 20

• 25

• 6

• 12

• 8

• 7

Fractions with the same value.

• Equivalent Fraction

• Improper Fraction

• Mixed Number

• Sum

Two or more different fractions that represent the same quantity.

• equivalent fractions

• fraction

• unit fraction

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

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

2/5 + 3/10

• 7/10

• 5/10

• 1/2

• 5/15

What is the least common denominator you could use to change 1/3 and 1/4 into equivalent fractions?

• 3

• 4

• 24

• 12

Look at the problem. What step is taking place?

• Add the numerators, then add the denominators

• Add the denominators (3 + 4 = 7).

• Simplify the answer