Adding Fractions with Denominators 10 and 100

What do you need to have when adding unlike fractions

• common denominator

• common numerator

• common numerator and denominator

• common fractions

What do you need to have when adding unlike fractions?

• common denominator

• common numerator

• common numerator and denominator

What step should you do first when adding fractions with unlike denominators?

• Just add the denominators together

• Find a common denominator

• Add the numerators together first

• Chang each numerator to be the same

Add the Fractions!

• 52/100

• 5/10

• 12/100

• 2/10

Add the Fractions!

• 27/100

• 37/10

• 37/100

• 27/10

Add the fractions!

• 70/100

• 70/10

• 6/10

• 60/100

What equation matches the image above?

• 80/100 + 1/10 =

• 90/100

• 8/10 + 10/100 =

• 70/100

Add the Fractions!

• 75/10

• 75/100

• 65/100

• 60/100