Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/21 of 70/81?"
321 × 7081 is 1081.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21×70/81 3/42×70/81 9/21×70/81 3/63×70/81 15/21×70/81
© everydaycalculation.com