Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/28 of 21/36?"
2028 × 2136 is 512.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28×21/36 20/28×42/36 20/56×21/36 20/28×21/72 60/28×21/36 20/28×63/36 20/84×21/36
© everydaycalculation.com