Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/40 of 63/81?"
1240 × 6381 is 730.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40×63/81 12/80×63/81 36/40×63/81 60/40×63/81 84/40×63/81
© everydaycalculation.com