Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/20 of 7/81?"
1020 × 781 is 7162.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×14/81 10/40×7/81 30/20×7/81 10/20×21/81 10/60×7/81 50/20×7/81 10/20×35/81 70/20×7/81 10/20×49/81
© everydaycalculation.com