Question

12. Jill claims that for positive fractions, $\frac{a}{b} + \frac{a}{c} = \frac{a}{b+c}$ because the fractions have a common numerator. How do you respond? Choose the correct answer below. Jill is confusing this problem with adding fraction with like denominators. She should use A. $\frac{a}{b} + \frac{a}{c} = \frac{ac + ab}{bc}$ Jill is confusing adding fractions with common denominators and she should use B. $\frac{a}{b} + \frac{c}{b} = \frac{a+c}{2b}$ C. Jill is correct and $\frac{a}{b} + \frac{a}{c} = \frac{a}{b+c}$ D. Jill is using the wrong formula. She should use $\frac{a}{b} + \frac{a}{c} = \frac{2a}{b+c}$

          12.
Jill claims that for positive fractions, $\frac{a}{b} + \frac{a}{c} = \frac{a}{b+c}$ because the fractions have a common numerator.
How do you respond?
Choose the correct answer below.
Jill is confusing this problem with adding fraction with like denominators. She should use
A. $\frac{a}{b} + \frac{a}{c} = \frac{ac + ab}{bc}$
Jill is confusing adding fractions with common denominators and she should use
B. $\frac{a}{b} + \frac{c}{b} = \frac{a+c}{2b}$
C. Jill is correct and $\frac{a}{b} + \frac{a}{c} = \frac{a}{b+c}$
D. Jill is using the wrong formula. She should use $\frac{a}{b} + \frac{a}{c} = \frac{2a}{b+c}$

$12. Jill claims that for positive fractions, (a)/(b) + (a)/(c) = (a)/(b+c) because the fractions have a common numerator. How do you respond? Choose the correct answer below. Jill is confusing this problem with adding fraction with like denominators. She should use A. (a)/(b) + (a)/(c) = (ac + ab)/(bc) Jill is confusing adding fractions with common denominators and she should use B. (a)/(b) + (c)/(b) = (a+c)/(2b) C. Jill is correct and (a)/(b) + (a)/(c) = (a)/(b+c) D. Jill is using the wrong formula. She should use (a)/(b) + (a)/(c) = (2a)/(b+c)$

Added by Tiffany Q.

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