Solutions by everydaycalculation.com
1st number: 3 17/21, 2nd number: 18/45
This multiplication involving fractions can also be rephrased as "What is 80/21 of 18/45?"
8021 × 1845 is 3221.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21×36/45 80/42×18/45 80/21×18/90 80/21×54/45 80/63×18/45 80/21×90/45
© everydaycalculation.com