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How to add and subtract fractions and whole numbers mentally. Complete Fractions Course: • Fractions (FULL Course) _________________________________________________________________ If you want to help me so that the channel continues to grow you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: https://www.paypal.me/profeAlex Become a member of the channel: https://www.youtube.com/matematicaspr... _________________________________________________________________ Download my MathAlex app: http://onelink.to/vmcu3e Visit my website: https://www.MatematicasProfeAlex.com Follow me on my social networks: Facebook: / matematicasprofealex Instagram: / matematicasprofealex Contact Only business, press: [email protected] 0:00 Greeting 0:22 Concepts that you should know 2:44 Solution of example 4:02 Solution of example 2 5:20 Solution of example 3 5:57 Solution of example 4 6:24 Solution to example 5 6:50 Solution to example 6 7:20 Solution to example 7 7:47 Practice exercise