Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/56 of 20/30?"
2156 × 2030 is 14.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/56×20/30 21/56×40/30 21/56×20/60 63/56×20/30 21/56×60/30 21/56×20/90
© everydaycalculation.com