Solutions by everydaycalculation.com
1st number: 4 0/20, 2nd number: 1/21
This multiplication involving fractions can also be rephrased as "What is 80/20 of 1/21?"
8020 × 121 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20×2/21 80/40×1/21 80/20×1/42 80/20×3/21 80/60×1/21 80/20×1/63 80/20×5/21 80/20×7/21
© everydaycalculation.com