Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/42 of 15/81?"
142 × 1581 is 51134.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42×15/81 1/42×30/81 1/84×15/81 3/42×15/81 1/42×45/81 5/42×15/81 1/42×75/81 7/42×15/81
© everydaycalculation.com