David biked 12 7/8 miles on Tuesday and 5 3/8 miles on Wednesday. How much farther did David bike on Tuesday than on Wednesday please give me correct answer.

7 miles

Step-by-step explanation:

The problem above is under the topic, "Subtracting Mixed Numbers with Similar Fractions."

In order to find the answer, you have to subtract the whole number parts first.

12-5 = 7

Then, you have to subtract the fractional parts. All you have to do is to get the difference of the numerators and copy the denominator.

7/8 - 3/8 =

Therefore, 12 - 5 = 7 miles

Let's simplify: 7 miles

David biked 7 miles farther on Tuesday than on Wednesday.

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step-by-step explanation:

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.