Solve the following exercise:
43⋅21−41=?
To solve the problem 43⋅21−41, follow these steps:
- Step 1: Perform the multiplication operation:
Calculate 43⋅21:
Multiply the numerators: 3×1=3.
Multiply the denominators: 4×2=8.
Thus, 43⋅21=83.
- Step 2: Perform the subtraction operation:
Now, subtract 41 from 83.
Before subtracting, we need a common denominator. The least common denominator of 8 and 4 is 8.
Convert 41 to have a denominator of 8:
41=4×21×2=82.
Now, subtract the fractions:
83−82=83−2=81.
Therefore, the solution to the problem is 81.