Click here to see a step-by-step slideshow. STEP 1 - Draw a square with 5 columns (5 is the denominator of the first fraction) and a square with 4 rows (4 is the denominator of the second fraction).

Have you ever tried to add or subtract fractions that have different denominators? It’s tricky, right? Join Ms. Susanna Post in this lesson to learn how to solve these types of challenging problems!