FRACTIONS

• Adding and subtracting fractions

  1. Multiply denominators to get common denominator

  2. Multiply numerators accordingly

  3. Combine numerators

  4. Simplify
• Adding or subtracting 3 fractions

  1. Find least common denominator

  2. Multiply each fraction to get common denominator

  3. Combine numerators

  4. Simplify
• Multiplying fractions


  1. Multiply numerators

  2. Multiply denominators
• Multiplying fractions with large numbers

  1. Break down large numbers into smaller factors

  2. Cancel out common factors between numerator and denominator
• Dividing fractions


  1. Keep the first fraction

  2. Change division to multiplication

  3. Flip the second fraction
• Adding two fractions

  1. Multiply denominators

  2. Cross multiply

  3. Add numerators

  4. Simplify
• Adding multiple fractions


  1. Find common denominator

  2. Rewrite fractions with common denominator

  3. Add numerators
• The least common multiple of 4, 6, and 2 is 12
• Rewriting fractions with common denominator 12

  1. 1/4 becomes 3/12

  2. 5/6 becomes 10/12

  3. 1/2 becomes 6/12