Multiply and divide fractions and decimals using efficient written strategies and digital technologies (ACMNA154)
LO: To multiply or divide fractions with unrelated denominators.
Know:
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how to multiply/divide numbers
Understand:
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that the four operations can be applied to fractional values.
Do:
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I can solve problems involving the multiplication and division of fractional values.
Visual Representations
Teaching Notes
When multiplying fractions with the different/unrelated denominators, you don’t have to do anything special. All you have to do is numerator multiply by the numerator and denominator multiplied by denominator.
When dividing fractions with the different/unrelated denominators, it’s a little bit more complicated. What you have to do is flip (find the inverse) the second fraction then proceed as if your multiplying the fractions. Numerator multiplied by the numerator and denominator multiplied by the denominator.
