Find Common Denominators

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?

2/3 and 3/4

• 3

• 4

• 7

• 12

This part of a fraction that tells the number of equal parts.

• Mixed Number

• Denominator

• Numerator

2 and 6 are both _____ in the fraction.

• Mixed Numbers

• Fractions

• Numerators

• Denominators

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

Match the following fractions with the correct common denominator.

• 10

• 6

• 14

• 24

Do I have to find a common denominator to solve this?

• Yes

• No

Mathematical Equivalence

ON

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