231:21=
To solve this problem, we'll follow these steps:
- Step 1: Convert the mixed number 231 to an improper fraction.
- Step 2: Take the reciprocal of 21.
- Step 3: Multiply the improper fraction by the reciprocal.
- Step 4: Simplify the resulting fraction if necessary, and convert back to a mixed number.
Now, let's work through each step:
Step 1: Convert the mixed number 231 to an improper fraction.
231=32×3+1=36+1=37.
Step 2: The reciprocal of 21 is 2.
Step 3: Multiply 37 by 2:
37×2=37×2=314.
Step 4: Convert the improper fraction 314 to a mixed number.
Divide 14 by 3, which is 4 with a remainder of 2, so we have 432.
Therefore, the solution to the problem is 432.