In this lesson we learn how to multiply algebraic fractions by working with factors. We need to remember the difference between factors and terms to decide whether we can simplify a fraction or not. We establish the important concepts using numbers without any variables. Remember that when we multiply fractions, we multiply the numerators by the numerators and the denominators by the denominators. Then we move onto algebraic examples and show how to cancel factors with each other. Remind learners that what they are really doing is dividing through by the same factor in the numerator and in the denominator, which means that they are not changing the value of the expression. They are merely multiplying by 1 over 1, so the value of the expression stays the same.
Multiplication of Fractions I maths is fun
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In this lesson we learn how to multiply algebraic fractions by working with factors. We need to remember the difference between factors and terms to decide whether we can simplify a fraction or not. We establish the important concepts using numbers without any variables. Remember that when we multiply fractions, we multiply the numerators by the numerators and the denominators by the denominators. Then we move onto algebraic examples and show how to cancel factors with each other. Remind learners that what they are really doing is dividing through by the same factor in the numerator and in the denominator, which means that they are not changing the value of the expression. They are merely multiplying by 1 over 1, so the value of the expression stays the same.
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