Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/56 of 21/90?"
2056 × 2190 is 112.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56×21/90 20/56×42/90 60/56×21/90 20/56×63/90
© everydaycalculation.com