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U2L10 Add/Subtract Mixed Numbers Do Now: 1.½ + ¾ 2.5/8 + 3/5 3.2/3 + 7/12 4.1/5 + 3/10 Planner: Add/Subtract Mixed Numbers HW: p. 242-243 #8, 15-26, 37, 39, 40 ….with Common Denominators 4¼ +5¾ 2 Methods 1. Convert to improper fractions 1. Add fractions 17/4 + 23/4 2. Convert back to mixed number = 40/4 = 10 2. Leave as mixed numbers 1. Add Fractions •¼ + ¾ = 4/4 = 1 2. Add Whole numbers •4 + 5 = 9 3. Combine & Simplify •1 + 9 = 10 … with uncommon denominators 3 1/3 + 4 2/5 2 Methods 1. Convert to improper fractions 1. 2. 3. 2. 1. 2. 3. 4. Get common denominator Add fractions Convert back to mixed number Leave as mixed numbers Add Whole numbers Get common denominator Add Fractions Combine & Simplify • • • • • • • • • 10/3 + 22/5 50/15 + 66/15 116/15 7 11/15 3 1/3 + 4 2/5 3+4=7 1/3 + 2/5 = 5/15 + 6/15 5/15 + 6/15 = 11/15 7 11/15 Practice (in your INB, under the notes for today) Assignment p. 242-243 #8, 15-26, 37, 39, 40