In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you ...

👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract ...

In adding and subtracting fractions with unlike denominators, you have to get a least common denominator which is exactly like the least common multiple it just so happens to be in the denominator.

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).