Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/70 of 7/81?"
2070 × 781 is 281.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70×7/81 20/70×14/81 60/70×7/81 20/70×21/81 20/70×35/81 20/70×49/81
© everydaycalculation.com