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Multiplying both sides of an equation by the same nonzero number does not change its solution.

Subtracting the same number from both sides of an equation does not change its solution

Fractions can look different but still represent the same part of a whole.

Some vocabulary and definitions in fractions

Every fraction can be written in infinitely many equivalent forms

There are four special fraction forms

To multiply two fractions, multiply the numerators and multiply the denominators. Simplify the result, if possible

Wondering how division can be used in real life? Take the quiz to know the answer. Division word problems

Basics to know in order to understand the concept of a Function

We know that if set A contains m elements and set B contains n elements, then the set A B will have m . n ordered pairs