Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/30 of 63/81?"
1030 × 6381 is 727.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30×63/81 10/60×63/81 10/90×63/81 50/30×63/81 70/30×63/81
© everydaycalculation.com