Step 1: Convert the mixed number to an improper fraction.
421=2(4×2)+1=28+1=29
Step 2: Multiply the improper fraction by 4.
29×4
Step 3: Perform the multiplication.
29×14=2×19×4=236
Step 4: Simplify the fraction.
236=18
The final answer is 18.
What's next? Send 'em! 📸