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Find the equivalent fraction. \( \begin{array}{lll}\text { 15. } \frac{4}{6}=\frac{\square}{3} & \text { 16. } \frac{25}{100}=\frac{5}{\square} & \text { 17. } \frac{14}{8}=\frac{\square}{4}\end{array} \)

Ask by Bright Davey. in the United States
Jan 23,2025

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Answer

\[ \begin{aligned} 15.\ & \frac{4}{6} = \frac{2}{3} \\ 16.\ & \frac{25}{100} = \frac{5}{20} \\ 17.\ & \frac{14}{8} = \frac{7}{4} \end{aligned} \]

Solution

Let's find the equivalent fractions for each problem: --- **15. \(\frac{4}{6} = \frac{\square}{3}\)** To find the missing numerator (\(\square\)): \[ \frac{4}{6} = \frac{x}{3} \] Cross-multiply: \[ 4 \times 3 = 6 \times x \\ 12 = 6x \\ x = \frac{12}{6} \\ x = 2 \] **Equivalent Fraction:** \[ \frac{4}{6} = \frac{2}{3} \] --- **16. \(\frac{25}{100} = \frac{5}{\square}\)** To find the missing denominator (\(\square\)): \[ \frac{25}{100} = \frac{5}{y} \] Cross-multiply: \[ 25 \times y = 100 \times 5 \\ 25y = 500 \\ y = \frac{500}{25} \\ y = 20 \] **Equivalent Fraction:** \[ \frac{25}{100} = \frac{5}{20} \] --- **17. \(\frac{14}{8} = \frac{\square}{4}\)** To find the missing numerator (\(\square\)): \[ \frac{14}{8} = \frac{x}{4} \] Cross-multiply: \[ 14 \times 4 = 8 \times x \\ 56 = 8x \\ x = \frac{56}{8} \\ x = 7 \] **Equivalent Fraction:** \[ \frac{14}{8} = \frac{7}{4} \] --- **Summary of Answers:** \[ \begin{aligned} 15.\ & \frac{4}{6} = \frac{2}{3} \\ 16.\ & \frac{25}{100} = \frac{5}{20} \\ 17.\ & \frac{14}{8} = \frac{7}{4} \end{aligned} \]

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Bonus Knowledge

To find the equivalent fractions, let's solve each equation step by step. 1. For \( \frac{4}{6} = \frac{\square}{3} \): You can set up a proportion: \( 4 \times 3 = 6 \times \square \). This gives \( 12 = 6 \times \square \). Dividing both sides by 6, you find \( \square = 2 \). So, \( \frac{4}{6} = \frac{2}{3} \). 2. For \( \frac{25}{100} = \frac{5}{\square} \): Again, set up the proportion: \( 25 \times \square = 100 \times 5 \). This simplifies to \( 25 \times \square = 500 \). Dividing by 25 yields \( \square = 20 \). Thus, \( \frac{25}{100} = \frac{5}{20} \). 3. For \( \frac{14}{8} = \frac{\square}{4} \): Set up the proportion: \( 14 \times 4 = 8 \times \square \). This leads to \( 56 = 8 \times \square \). Dividing both sides by 8 gives \( \square = 7 \). Hence, \( \frac{14}{8} = \frac{7}{4} \). Putting it all together, we have: - \( \frac{4}{6} = \frac{2}{3} \) - \( \frac{25}{100} = \frac{5}{20} \) - \( \frac{14}{8} = \frac{7}{4} \)

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