Fractions Adding Like Denominators

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Presentation transcript:

Fractions Adding Like Denominators OPENING You can do this! It’s going to be a piece of cake!

3 4 Parts of a Fraction = the number of parts = the total number of parts that equal a whole

Parts of a Fraction 3 = numerator 4 = denominator

Adding Like Denominators Only add the numerators 1/4 1/4 3 1 4 + = 4 4 4 1/4 1/4

Simplify Your Answer 4 1 = 4

Add these fractions 1/5 1/5 3 1 4 + = 1/5 5 5 5 1/5

Add these fractions 1/4 1/4 2 1 3 + = 4 4 4 1/4

Add these fractions 1 1 1 6 6 6 3 2 5 + = 6 6 6 1 1 6 6

Add these fractions 1 1 1 6 6 6 2 2 4 + = 6 6 6 1 6

Simplify Your Answer 4 2 2 ÷ = 6 2 3

Add these fractions 5 3 8 + = 12 12 12

Simplify Your Answer 8 4 2 ÷ = 12 4 3

Add these fractions 1 3 4 + = 10 10 10

Simplify Your Answer 4 2 2 ÷ = 10 2 5

Fractions Subtracting Like Denominators All you do is subtract the numerators!

Subtracting Like Denominators Only subtract the numerators 1/4 1/4 4 1 3 - = 4 4 4 1/4 1/4

Subtract these fractions 1/5 1/5 4 1 3 - = 1/5 5 5 5 1/5

Subtract these fractions 1/4 1/4 3 1 2 - = 4 4 4 1/4

Simplify Your Answer 2 2 1 ÷ = 4 2 2

Subtract these fractions 1 1 1 6 6 6 5 2 3 - = 6 6 6 1 1 6 6

Simplify Your Answer 2 2 1 ÷ = 6 2 3

WORK SESSION Now it’s time to show what you know. You choose whether you want to subtract or add first! Don’t forget to check your answer… Is it written in simplest forms (LOWEST TERMS)