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A division problem is shown below:
[tex]\[ 4 \frac{1}{3} + 5 \frac{1}{6} \][/tex]

The reciprocal of a fraction must be found to solve the problem. What is the required reciprocal fraction?

A. [tex]\(\frac{6}{31}\)[/tex]

B. [tex]\(\frac{3}{13}\)[/tex]

C. [tex]\(\frac{13}{3}\)[/tex]

D. [tex]\(\frac{31}{6}\)[/tex]

Sagot :

To solve the given problem, follow these steps:

1. Convert Mixed Numbers to Improper Fractions:
- The fraction [tex]\(4 \frac{1}{3}\)[/tex] can be converted to an improper fraction. To do this, multiply the whole number (4) by the denominator (3) and add the numerator (1):
[tex]\[ 4 \frac{1}{3} = \frac{4 \times 3 + 1}{3} = \frac{12 + 1}{3} = \frac{13}{3} \][/tex]
- Similarly, the fraction [tex]\(5 \frac{1}{6}\)[/tex] can be converted to an improper fraction. Multiply the whole number (5) by the denominator (6) and add the numerator (1):
[tex]\[ 5 \frac{1}{6} = \frac{5 \times 6 + 1}{6} = \frac{30 + 1}{6} = \frac{31}{6} \][/tex]

2. Identify the Fraction Needed for the Reciprocal:
- We need to find the reciprocal of one of these fractions. In this case, we are supposed to find the reciprocal of the fraction [tex]\(\frac{31}{6}\)[/tex].

3. Find the Reciprocal:
- The reciprocal of a fraction simply means to invert the fraction (swap the numerator and the denominator). Therefore, the reciprocal of [tex]\(\frac{31}{6}\)[/tex] is:
[tex]\[ \frac{6}{31} \][/tex]

Thus, the reciprocal fraction that is required is [tex]\(\frac{6}{31}\)[/tex].
The answer would be
B