Adding And Subtracting Fractions

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Jefferson Elementary 5th Grade Math Students

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Adding And Subtracting Fractions

  1. 1. Adding and Subtracting Fractions with like Denominators By Shay and Athena I’m so cute! What’s this dog doing here???
  2. 2. Adding Fractions with like Denominators <ul><li>The numerator is the number on the top. </li></ul><ul><li>The denominator is the number on the bottom. </li></ul><ul><li>Step 1 – Add the numerators, but leave the denominators the same. </li></ul><ul><li>5 1 6 </li></ul><ul><li>8 8 8 </li></ul>
  3. 3. Subtracting Fractions with like Denominators <ul><li>Step 1 – Subtract the numerators. </li></ul><ul><li>Keep the denominators the same. </li></ul><ul><li>4 2 2 </li></ul><ul><li>8 8 8 </li></ul>
  4. 4. Adding and Subtracting Fractions with like Denominators <ul><li>Example: </li></ul><ul><li>numerator 3 5 </li></ul><ul><li>denominator 10 10 </li></ul><ul><li>numerator 4 2 </li></ul><ul><li>denominator 7 7 </li></ul>8 10 2 7
  5. 5. Adding Fractions with like Denominators <ul><li>Add the fractions. 3. 2 2 </li></ul><ul><li>1. 3 4 10 10 </li></ul><ul><li>8 8 </li></ul><ul><li>Answer: Answer: </li></ul><ul><li>2. 1 4 4. 1 3 </li></ul><ul><li>6 6 5 5 </li></ul><ul><li>Answer: Answer: </li></ul>7 8 5 6 4 10 4 5
  6. 6. Subtracting Fractions with like Denominators <ul><li>Subtract the fractions. </li></ul><ul><li>1. 3 2 </li></ul><ul><li>7 7 </li></ul><ul><li>Answer: </li></ul><ul><li>2. 5 2 </li></ul><ul><li>10 10 </li></ul><ul><li>Answer: </li></ul>Vroom! 1 7 3 10
  7. 7. Adding and Subtracting Fractions with like Denominators 1 1/2 1/3 1/4 1/5 1/6
  8. 8. Adding and Subtracting Fractions with like Denominators <ul><li>Add </li></ul><ul><li>2. Subtract </li></ul>1/2 1/2 1 3/4 1/4 2/4
  9. 9. Adding and Subtracting Fractions with like Denominators <ul><li>1/2 is equal to: </li></ul><ul><li>2/4 </li></ul><ul><li>3/6 </li></ul><ul><li>4/8 </li></ul><ul><li>5/10 </li></ul><ul><li>6/12 </li></ul>And it goes on and on.......... Ha! Ha! Ha!
  10. 10. THE END That was AMAZING!

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