Add and Subtract Fractions Unlike Denominators

3/5 - 5/10

• 1/10

• 8/5

• 1/5

• 8/0

Pick the steps that are true

• find the common denominators, add or subtract, change the numerators

• multiply the denominators, add or subtract the numerators, simplify, divide the fraction

• Find the least common denominators, what you do to the top do to the bottom, add or subtract, simplify

• add or subtract, simplify, multiply denominators

8/10 - 1/5

• 5/3

• 3/5

• 9/13

Fractions with different denominators are called _______ fractions .

• Like

• Mixed

• Unlike

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

• 5/14
• 3/7
• 5/7
• 5/14

• 13/15
• 1 7/12
• 1
• 9/15

Find the difference.

• 1/9
• 11/9
• 5/9
• 7/12