Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 35/81?"
2160 × 3581 is 49324.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60×35/81 21/60×70/81 63/60×35/81
© everydaycalculation.com