Fractions: Basic Operations and Practice Problems
This content covers basic operations with fractions, including adding, subtracting, multiplying, and dividing fractions. It provides clear explanations along with practice problems for each operation to help improve understanding and mastery of working with fractions.
Uploaded on Mar 02, 2025 | 0 Views
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Presentation Transcript
Operations with Fractions Back to Basics
Basic Operations with Fractions 1. Adding and subtracting fractions: Get a common denominator Add or subtract the numerators Keep the denominator the same 7 1 2 1 Ex 1a: Ex 1b: + 8 2 3 4 7 4 8 3 = = + 8 8 12 12 3 11 = = 8 12 2. Multiplying fractions: Multiply across, then reduce OR Reduce early, then multiply across 3 1 3 2 Ex 2a: Ex 2b: 5 6 8 3 1 3 1 6 = 5 6 24 2 1 1 = 4 10 3. Dividing fractions: Rewrite as multiplication problem K eep the first fraction F lip the second fraction (reciprocal) C hange divide to multiply 9 3 Ex 3: 16 4 9 4 = 16 3 36 3 = = 48 4
Practice Problems 2+ 2 5 3 1 + + 1) 2) 3 5 6 4 2 10 9 6 + + 10 6 + 12 12 12 15 15 19 6 + 1 16 = 12 12 1 15 15 25 1 = 2 12 12
Practice Problems 11 2 1 5 3 + 3) 5 4) 12 3 4 6 11 8 3 25 18 + 12 12 12 30 30 3 3 + 7 12 12 30 6 1 = 12 2
Practice Problems 5 3 4 2 11 + 5) 8 6) 5 3 15 9 8 11 + 5 3 15 15 1 9 8 3 19 4 5 = 1 15 15 24
Practice Problems 3 3 5 = 4 7 3 7) 4 8) 4 6 8 5 6 3 6 3 1 7 4 4 5 2 8 3 2 7 1 = 1 9 6 6 10
