Complete the following exercise:
42:31=?
To solve this problem, let's follow these steps:
- Step 1: Simplify the fraction 42.
- Step 2: Find the reciprocal of 31.
- Step 3: Multiply the simplified fraction by the reciprocal.
- Step 4: Simplify the resulting fraction if needed.
Now, let's work through each step:
Step 1: Simplify 42 to 21 by dividing both the numerator and the denominator by 2.
Step 2: The reciprocal of 31 is 13.
Step 3: Multiply 21×13. This gives us 2×11×3=23.
Step 4: 23 is an improper fraction. Convert it to a mixed number, 121.
Therefore, the solution to the division 42:31 is 121.