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Adding and Subtracting Fractions and Mixed Numbers

Adding and Subtracting Fractions and Mixed Numbers. You’ve Got This! . How do you add fractions?. Step 1: Find a common (“like”) denominator. Step 2: Change the fraction to an equivalent form with the same denominator. Step 3: Add the numerators (top numbers).

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Adding and Subtracting Fractions and Mixed Numbers

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  1. Adding and Subtracting Fractions and Mixed Numbers You’ve Got This! 

  2. How do you add fractions? • Step 1: Find a common (“like”) denominator. • Step 2: Change the fraction to an equivalent form with the same denominator. • Step 3: Add the numerators (top numbers). • Step 4: Write the fraction in simplest form.

  3. Let’s Try

  4. Let’s Try

  5. Let’s Try

  6. What if we have to add mixed numbers? • Add the whole numbers separately and add the fractions separately. • Find a common denominator for the fractions! (The whole number stays the same!!)

  7. Adding Mixed Numbers • Step 1 : Find Common Denominator • Step 2: Rewrite fractions. • Step 3: Add fractions (Carry 1 if improper) • Step 4: Add whole numbers

  8. Adding Mixed Numbers • Step 1 : Find Common Denominator • Step 2: Rewrite fractions. • Step 3: Add fractions (Carry 1 if improper) • Step 4: Add whole numbers

  9. Adding Mixed Numbers • Step 1 : Find Common Denominator • Step 2: Rewrite fractions. • Step 3: Add fractions (Carry 1 if improper) • Step 4: Add whole numbers

  10. Your Turn – Notecard Check 1 2 3 4

  11. Homework  • Adding Mixed Fractions Worksheet A • SHOW WORK PLEASE!!

  12. How do you subtract fractions? • Step 1: Find a common (“like”) denominator. • Step 2: Change the fraction to an equivalent form with the same denominator. • Step 3: Subtract the numerators (top numbers). • Step 4: Write the fraction in simplest form.

  13. Let’s Try

  14. Let’s Try

  15. Let’s Try

  16. Subtracting Mixed Numbers • Step 1 : Find Common Denominator • Step 2: Rewrite fractions. • Step 3: Subtract fractions • Step 4: Subtract whole numbers

  17. Another Example

  18. How to Borrow when Subtracting Mixed Numbers ***If the numerator in the top fraction is smaller than the numerator in the bottom, you need to borrow. How? B-C-A-S B – Borrow C – Change A – Add S – Subtract

  19. Examples of Borrowing NOTES: B – = C A S

  20. Examples of Borrowing NOTES: B C A S

  21. Examples of Borrowing NOTES: B C A S

  22. Another Example NOTES: –

  23. Your Turn – Notecard Check 1 2 3 4

  24. Homework • Subtracting Mixed Fractions Worksheet A • Show Work!! 

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