For more like this go to https://www.letsdomath.ca/
It's an easytouse route to resources, faster than scrolling through videos on YT!

Before you come to this, you need to be confident making new equivalent fractions.

Quick review of how to add fractions when they have the same denominator
(0:21 0:36) Demo of adding 2 fractions with different denominators, using fractions model diagrams. 1/4 + 1/2
(0:46 1:33) Then, keeping that model in view, we dip into our Fractions Skillkit to make a common denominator, and THEN we add.
(2:03 3:25) Problem 2: 5/6 + 2/3 = 1/2
(3:33 5:28) Problem 3: 1/3 + 1/6 + 5/8
If you CAN reduce, you MUST reduce, for your final answer. No improper fractions in your answer.
As always, if it helps you, please help me... with a ThumbsUp.
Thanks very much!