Adding and Subtracting Mixed Numbers No Reducing

5 2/3 + 4 1/4

• 9 3/7

• 1 1/4

• 9 11/12

• 10 3/12

When you are adding and subtracting fractions, what is one of the first things you must do.

• Start adding and subtracting

• Find a common denominator

• Call a friend for help

• Panic

When you are adding or subtracting a mixed number and an improper fraction, what is the first thing you should do?

• Use a calculator because this is just too hard

• Add all the numbers together to get your answer

• Change them to both mixed numbers or both improper fractions

• Give up, because you just can't do this type of problem

3 1/2 + 8/3

• 6 1/6

• 3 9/5

• 5 3/5

• 6 1/5

What is the sum?

• 
• 
• 
• 

6½ - 2⅔

• 4  1/6

• 3  5/6

• 4  1/2

• 3  1/2

Find Lowest Common Denominator & solve
1    1/3   +    4    1/4 =

• 5    7/12

• 5    2/24

• 5    2/12

• 5    7/24

Subtraction:
Find Lowest Common Denominator & solve
8    5/7    -    7    2/3 = 

•   3/4

•  1/21

•    1/24 

•   3/24

Find Lowest Common Denominator & solve
8     4/5    +    9    1/10  =

• 18   5/15

• 17   5/10

• 17   9/20

• 17   9/10

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number