Add and Subtract Fractions and Mixed Numbers 6

Add and Subtract Fractions and Mixed Numbers #6

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.

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

WE DO (notes)

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

YOU DO (classwork) • ADV handout activity • REG handout activity Adding fractions with unlike denominators https: //www. khanacademy. org/video/adding-small-fractions-with-unlikedenominators Subtracting fractions with unlike denominators https: //www. khanacademy. org/video/subtracting-small-fractions-with-unlikedenominators 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-mixednumbers-with-regrouping