To find the total fractional portion of the nonworking lights on the two streets, we first need to determine the total number of street lights on each street. Since we only have the number of nonworking lights, we cannot directly find the total number of lights, but we can represent the fraction of nonworking lights as follows:
Let:
- \( N_1 \) be the number of nonworking lights on the first street (23)
- \( N_2 \) be the number of nonworking lights on the second street (16)
We need to find the total number of nonworking lights:
\[ N_{\text{total}} = N_1 + N_2 = 23 + 16 = 39 \]
Next, to calculate the total fractional portion, we need additional information, namely the total number of street lights on both streets. Let's denote:
- \( T_1 \) as the total number of lights on the first street
- \( T_2 \) as the total number of lights on the second street
The total fraction of nonworking lights combined for both streets is calculated as:
\[ \text{Fraction of nonworking lights} = \frac{N_{\text{total}}}{T_1 + T_2} = \frac{39}{T_1 + T_2} \]
Without the values for \( T_1 \) and \( T_2 \), we cannot simplify this fraction further. Therefore, the total fractional portion of the nonworking lights on these two streets is represented as:
\[ \frac{39}{T_1 + T_2} \]
If you provide the total number of streetlights for each street, I can help calculate the specific fractional portion.