Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/21 of 40/54?"
1221 × 4054 is 80189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×40/54 12/21×80/54 12/42×40/54 36/21×40/54 12/63×40/54 60/21×40/54 84/21×40/54
© everydaycalculation.com