Question

martha worked on her science project for \\(\frac{4}{5}\\) hour on friday. she worked on her science project for \\(\frac{4}{5}\\) hour on saturday. how many hours did martha work on her science project on friday and saturday? \\(\bigcirc\\) a. 2 hours \\(\bigcirc\\) b. \\(1\frac{3}{5}\\) hours \\(\bigcirc\\) c. \\(1\frac{2}{5}\\) hours \\(\bigcirc\\) d. 1 hour

Explanation:

Step1: Identify the hours worked each day

Friday: $\frac{4}{5}$ hour, Saturday: $\frac{4}{5}$ hour.

Step2: Add the hours together

To find the total hours, we add the two fractions: $\frac{4}{5} + \frac{4}{5} = \frac{4 + 4}{5} = \frac{8}{5}$.

Step3: Convert the improper fraction to a mixed number

$\frac{8}{5} = 1\frac{3}{5}$ (since $8 \div 5 = 1$ with a remainder of $3$).

Answer:

B. $1\frac{3}{5}$ hours