Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/36 of 21/27?"
2136 × 2127 is 49108.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36×21/27 21/36×42/27 21/72×21/27 21/36×21/54 63/36×21/27 21/36×63/27 21/36×21/81
© everydaycalculation.com