Aliyah and her friends are going on a road trip that is 32 3/4 miles long. They have already driven 12 1/2 miles. How much farther do they have to drive? Answer in decimal form.

Respuesta :

Answer:

20.25

Step-by-step explanation:

Step 1: Turn 32 3/4 into a improper fraction.

To do this, multiply the whole number (32) by the denominator (4) to get the answer of 128. Then add 128 to the numerator (3), to get 131. Keep the denominator the same.

The outcome is 131/4

Step 2: Turn 12 1/2 into a improper fraction.

Do the same thing as with 34 3/4. Multiply 12 by 2, get 24 and add 24 to 1.

The outcome is 25/2

Step 3: Find the common denominator. In this case, the common denominator is 4, so multiply 25, and 2 by 2 to get 4.

Step 4: Subtract!

131/4 - 50/4 = 81/4

Step 5: Turn 81/4 into a decimal.

The outcome is 20.25. That is the final answer.

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