Prairie Street is 3 7/8 miles long. Plains Avenue is 3 5/10 miles long. Ellis rides his bike the length of both Prairie Street and Plains Avenue. How many total miles does he ride?

Question

A : 7 3/8
B : 6 7/12
C : 3/8
D : 6 3/8

Answer 1

To find the total length Ellis rides, we need to add together the lengths of Prairie Street and Plains Avenue.

Prairie Street is 3 7/8 miles long and Plains Avenue is 3 5/10 miles long.

To add the fractions, we need to convert them to have the same denominator.

3 7/8 = 3 35/40
3 5/10 = 3 15/40

Now we can add the two lengths:

3 35/40 + 3 15/40 = 6 50/40

We can simplify this fraction by dividing both the numerator and denominator by 10:

6 5/4

Now, we can convert this simplified fraction back to a mixed number:

6 5/4 = 6 1 1/4

So, Ellis rides a total of 6 1 1/4 miles.

Therefore, the answer is D: 6 3/8 miles.