Question

question 4 / 4
what is 4/10 + 5/10?
a. 9/10
b. 9/20
c. 8/10

Explanation:

Step1: Add numerators (denominators same)

For adding fractions with the same denominator, we use the rule $\frac{a}{c}+\frac{b}{c}=\frac{a + b}{c}$. Here, $a = 4$, $b = 5$, and $c = 10$. So we add the numerators: $4+5 = 9$.

Step2: Keep the denominator

Since the denominators are the same (10), we keep the denominator as 10. So $\frac{4}{10}+\frac{5}{10}=\frac{4 + 5}{10}=\frac{9}{10}$.

Answer:

A. 9/10