Questions (Fraction Addition/Subtraction)
ANSWERS
Question 1
      Use fraction bars to obtain an answer to 1/3 + 2/5.
Question 2
      Use a number line to obtain an answer to 1/3 + 4/9.
Question 3
      Use the Prime Factor (POT) algorithm to obtain an answer to 1/10 + 1/25 + 1/30.