Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/24 of 27/81?"
2124 × 2781 is 724.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24×27/81 21/24×54/81 21/48×27/81 63/24×27/81 21/72×27/81
© everydaycalculation.com