43×21=
To solve the problem of multiplying the fractions 43 and 21, follow these steps:
- Step 1: Multiply the numerators.
Multiply 3 and 1, which gives 3.
- Step 2: Multiply the denominators.
Multiply 4 and 2, which gives 8.
- Step 3: Combine the results to form a new fraction.
This results in 83.
The fraction 83 is already in its simplest form, so we do not need to simplify further.
Therefore, the solution to the problem is 83.