Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/42 of 72/81?"
142 × 7281 is 4189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42×72/81 1/84×72/81 3/42×72/81 5/42×72/81 7/42×72/81
© everydaycalculation.com