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A B C D. A. B. C. D. A. 5 B. C. D. 5-Minute Check 4. Splash Screen. You have already added and subtracted rational numbers with like denominators . Add unlike fractions. Subtract unlike fractions. Then/Now. unlike fractions (uncommon denominators). Vocabulary. Concept.
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A B C D A. B. C. D. A. 5 B. C. D. 5-Minute Check 4
You have already added and subtracted rational numbers with like denominators. • Add unlike fractions. • Subtract unlike fractions. Then/Now
unlike fractions (uncommon denominators) Vocabulary
Use 4 ● 7 or 28 as the common denominator. Rename each fraction with the common denominator. Add the numerators. Answer: Adding Unlike Fractions Example 1
A B C D Write in simplest form. A. B. C. D. Example 1
A. Rename each fraction with the LCD. Simplify. Answer: Add Fractions and Mixed Numbers Estimate 1 + 0 = 1 The LCD of 6 and 10 is 30. Example 2
B. Write the mixed numbers as improper fractions. The LCD of 8 and 3 is 24. Rename fractions using the LCD, 24. Add Fractions and Mixed Numbers Example 2
Simplify. Add Fractions and Mixed Numbers Example 2
A B C D A. A. B. C. D. Example 2
A B C D B. A. B. C. D. Example 2
A. The LCD is 16. Rename using the LCD. Subtract. Answer: Subtract Fractions and Mixed Numbers Example 3
B. Write as improper fractions. The LCD is 21. Rename using the LCD. Simplify. Answer: Subtract Fractions and Mixed Numbers Example 3
A B C D A. A. B. C. D. Example 3
A B C D B. A. B. C. D. Example 3
Add and Subtract Mixed Numbers Juyong jogged three days this week for a total of . If she jogged how many miles did she jog on the third day? Understand You know the total distance Juyong jogged and the distances on two days. Example 4
Simplify Simplify. Add and Subtract Mixed Numbers Example 4
Check Add and Subtract Mixed Numbers Example 4
A B C D GARDENING Howard’s tomato plants grew a total of inches during the first three weeks after sprouting. If they grew inches during the first week and inches during the second week, how much did they grow during the third week after sprouting? A. B. C.D. Example 4