Solutions by everydaycalculation.com
1st number: 3 17/21, 2nd number: 3/60
This multiplication involving fractions can also be rephrased as "What is 80/21 of 3/60?"
8021 × 360 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21×6/60 80/42×3/60 80/21×9/60 80/63×3/60 80/21×15/60 80/21×21/60
© everydaycalculation.com