Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/56 of 21/27?"
2156 × 2127 is 724.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/56×21/27 21/56×42/27 21/56×21/54 63/56×21/27 21/56×63/27 21/56×21/81
© everydaycalculation.com