Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 16/42 of 7/81?"
1642 × 781 is 8243.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42×7/81 16/42×14/81 16/84×7/81 48/42×7/81 16/42×21/81 80/42×7/81 16/42×35/81 16/42×49/81
© everydaycalculation.com