1. Add and Subtract Fractions and Mixed Numbers #6

2. VOCABULARY You can use any common denominator or the least common denominator to add and subtract unlike fractions. The least common denominator (LCD) is the least common multiple of the denominators.

3. 7 10 __ I DO (foldable) 1)Find common denominator 2)Find equivalent fraction 3)Subtract 4)Simplify s 1)Find common denominator 2)Find equivalent fraction 3)Add numerator 4)Add whole number 5)Simplify 3 8 __ – 1 8 3 + 1 5 6 __ 1 2 4 – 1 3 7 __ 8 10 __ 2 6 + 1)Find common denominator 2)Find equivalent fraction 3)Add 4)Simplify 1)Find common denominator 2)Find equivalent fraction 3)Subtract numerator (may have to use whole number to regroup) 4)Subtract whole number 5)Simplify

4. WE DO (notes)

5. I CAN STATEMENT I can interpret and compute sums and differences of fractions, and solve word problems involving addition and subtraction of fractions by fractions by using visual fraction models and equations to represent the problem.

6. YOU DO (classwork) ADV handout activity REG handout activity Adding mixed numbers: 19 3/18 + 18 2/3 https://www.khanacademy.org/video/adding-subtracting-mixed-numbers-1-ex-1 Subtracting mixed numbers with regrouping (unlike denominators) https://www.khanacademy.org/video/subtracting-mixed- numbers-with-regrouping Adding fractions with unlike denominators https://www.khanacademy.org/video/adding-small-fractions-with-unlike- denominators Subtracting fractions with unlike denominators https://www.khanacademy.org/video/subtracting-small-fractions-with-unlike- denominators