15. what is the result of adding 3/12 and 4/12?\na. 8/12\nb. 5/12\nc. 7/12\nd. 9/12

15. what is the result of adding 3/12 and 4/12?\na. 8/12\nb. 5/12\nc. 7/12\nd. 9/12
Answer
Explanation:
Step1: Add the numerators
When adding fractions with the same denominator, we add the numerators. The formula for adding fractions with the same denominator is $\frac{a}{c}+\frac{b}{c}=\frac{a + b}{c}$. Here, $a = 3$, $b=4$, and $c = 12$. So, $3+4=7$.
Step2: Keep the denominator
The denominator remains the same. So the result is $\frac{7}{12}$.
Answer:
C. 7/12