Solutions by everydaycalculation.com
1st number: 3 17/21, 2nd number: 2/40
This multiplication involving fractions can also be rephrased as "What is 80/21 of 2/40?"
8021 × 240 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21×4/40 80/42×2/40 80/21×2/80 80/21×6/40 80/63×2/40 80/21×10/40 80/21×14/40
© everydaycalculation.com