Lesson 1: MDAS of Fractions

• What is the process for adding similar fractions?

  1. Ensure the denominators are the same.
  2. Add the numerators.
  3. Copy the denominator.
  4. Simplify the fraction.
• What is the process for adding dissimilar fractions?

  1. Find the Least Common Denominator (LCD).
  2. Convert the fractions to have the same denominator.
  3. Add the numerators.
  4. Copy the denominator.
  5. Simplify the fraction.
• What is the process for subtracting similar fractions?

  1. Ensure the denominators are the same.
  2. Subtract the numerators.
  3. Copy the denominator.
  4. Simplify the fraction.
• What is the process for subtracting dissimilar fractions?

  1. Find the Least Common Denominator (LCD).
  2. Convert the fractions to have the same denominator.
  3. Subtract the numerators.
  4. Copy the denominator.
  5. Simplify the fraction.
• What is the process for multiplying fractions?

  1. Convert to improper fraction if necessary.
  2. Multiply the numerators.
  3. Multiply the denominators.
  4. Simplify the resulting fraction.
• What is the process for dividing fractions?

  1. Keep the first fraction.
  2. Change the division sign to multiplication.
  3. Flip the second fraction.
  4. Multiply the fractions.
  5. Simplify the resulting fraction.
• What are the results of the following operations called?

  1. Addition = sum
  2. Subtraction = difference
  3. Multiplication = product
  4. Division = quotient
• How do you get the Least Common Denominator (LCD)?

  • Find the smallest number that can divide both denominators evenly.
• What is asked on word problems involving multiplication of fractions?

  The totality.
• What is asked on word problems involving division of fractions?

  The part of the whole number.