Solutions by everydaycalculation.com
1st number: 3 17/21, 2nd number: 12/30
This multiplication involving fractions can also be rephrased as "What is 80/21 of 12/30?"
8021 × 1230 is 3221.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21×24/30 80/42×12/30 80/21×12/60 80/21×36/30 80/63×12/30 80/21×12/90 80/21×60/30 80/21×84/30
© everydaycalculation.com