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Which of the following fraction is the s...

Which of the following fraction is the smallest?
`(7)/(6),(7)/(6),(4)/(5),(5)/(7)`

A

`(7)/(6)`

B

`(7)/(9)`

C

`(4)/(5)`

D

`(5)/(7)`

Text Solution

AI Generated Solution

The correct Answer is:
To determine which of the following fractions is the smallest: \( \frac{7}{6}, \frac{7}{6}, \frac{4}{5}, \frac{5}{7} \), we can follow these steps: ### Step 1: Identify the fractions We have the following fractions: 1. \( \frac{7}{6} \) 2. \( \frac{7}{6} \) (duplicate of the first) 3. \( \frac{4}{5} \) 4. \( \frac{5}{7} \) ### Step 2: Compare the fractions Since \( \frac{7}{6} \) appears twice, we can ignore one of them for comparison purposes. Now we need to compare \( \frac{4}{5} \) and \( \frac{5}{7} \) to find which one is smaller. ### Step 3: Cross-multiply to compare \( \frac{4}{5} \) and \( \frac{5}{7} \) To compare the two fractions, we can cross-multiply: - For \( \frac{4}{5} \) and \( \frac{5}{7} \): - Multiply the numerator of the first fraction by the denominator of the second: \( 4 \times 7 = 28 \) - Multiply the numerator of the second fraction by the denominator of the first: \( 5 \times 5 = 25 \) ### Step 4: Compare the results Now we compare the results of the cross-multiplication: - \( 28 \) (from \( 4 \times 7 \)) and \( 25 \) (from \( 5 \times 5 \)) - Since \( 28 > 25 \), it means \( \frac{4}{5} > \frac{5}{7} \) ### Step 5: Conclusion Thus, \( \frac{5}{7} \) is smaller than \( \frac{4}{5} \). Now we can conclude that among all the fractions, \( \frac{5}{7} \) is the smallest. ### Final Answer The smallest fraction is \( \frac{5}{7} \). ---
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Knowledge Check

  • Which of the following the fractions is the smallest? (7)/(6),(7)/(9),(4)/(5),(5)/(7)

    A
    `(7)/(6)`
    B
    `(7)/(9)`
    C
    `(4)/(5)`
    D
    `(5)/(7)`
  • Which of the following fraction is the samllest ? 7/6,7/9,4/5,5/7

    A
    `5/7`
    B
    `7/6`
    C
    `7/9`
    D
    `4/5`
  • Which of the following fractions is the greatest of all? 7/8, 6/8, 4/5,5/6 -

    A
    `6/7`
    B
    `4/5`
    C
    `5/6`
    D
    `7/8`
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