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Activity Discussion Math Fractions Reply To: Fractions

  • Mawar Tanjung

    Member
    September 30, 2024 at 12:33 pm
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    Yes! To divide <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mfrac><mn>3</mn><mn>4</mn></mfrac></mrow><annotation encoding=”application/x-tex”>\frac{3}{4}</annotation></semantics></math>43​ by 2, you can multiply by the reciprocal of 2. The reciprocal of 2 is <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mfrac><mn>1</mn><mn>2</mn></mfrac></mrow><annotation encoding=”application/x-tex”>\frac{1}{2}</annotation></semantics></math>21​.

    So, you can do the calculation like this:

    <math xmlns=”http://www.w3.org/1998/Math/MathML” display=”block”><semantics><mrow><mfrac><mn>3</mn><mn>4</mn></mfrac><mo>÷</mo><mn>2</mn><mo>=</mo><mfrac><mn>3</mn><mn>4</mn></mfrac><mo>×</mo><mfrac><mn>1</mn><mn>2</mn></mfrac><mo>=</mo><mfrac><mrow><mn>3</mn><mo>×</mo><mn>1</mn></mrow><mrow><mn>4</mn><mo>×</mo><mn>2</mn></mrow></mfrac><mo>=</mo><mfrac><mn>3</mn><mn>8</mn></mfrac></mrow><annotation encoding=”application/x-tex”>\frac{3}{4} \div 2 = \frac{3}{4} \times \frac{1}{2} = \frac{3 \times 1}{4 \times 2} = \frac{3}{8}</annotation></semantics></math>43​÷2=43​×21​=4×23×1​=83​

    Therefore, <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mfrac><mn>3</mn><mn>4</mn></mfrac><mo>÷</mo><mn>2</mn><mo>=</mo><mfrac><mn>3</mn><mn>8</mn></mfrac></mrow><annotation encoding=”application/x-tex”>\frac{3}{4} \div 2 = \frac{3}{8}</annotation></semantics></math>43​÷2=83​.

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