Common Denominator

What is the missing denominator to make these fractions equal?

• 8

• 6

• 4

• 12

_{True or False?}

• True

• False

Is the fraction 4/8 equivalent to 2/6?

• Yes

• No

What is the missing numerator to make these fractions equal?

• 2

• 3

• 1

• 4

You must find the ​ (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

You must find the (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

• 10

• 15

• 20

• 25

What is a Common Denominator?

• A fraction is a number that names a part of a whole or a group.

• A fraction represents a number using the fewest possible parts of the whole.

• Two or more fractions that name the same amount.

• Common multiple of the denominators of two or more fractions.

Which 2 expressions​ do you need to find Common Denominators for?​ (a)   ​ (b)  

Mathematical Equivalence

ON