Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/42 of 7/81?"
142 × 781 is 1486.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42×7/81 1/42×14/81 1/84×7/81 3/42×7/81 1/42×21/81 5/42×7/81 1/42×35/81 7/42×7/81 1/42×49/81
© everydaycalculation.com