How to solve fractions with addition and subtraction ?

How to solve fractions with addition and subtraction ?
When there are additions and subtractions of fractions, you must:
Find the common denominator (with the smallest common multiple)
Amplify fractions so that the denominators are the same
Add, subtract numerators from each other
Make the fraction irreducible.
In the next episode, we will see how to solve fractions with multiplication and division.
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See you next episode.
Video links:
How to do a subtraction of fractions? : • Comment faire une sous...
How to add fractions ? : • Comment faire une addi...
What is the smallest common multiple? : • Comment trouver le PPM...
What is the definition, simplification and amplification of a fraction? : • C’est quoi la définiti...