Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 8/36?"
2142 × 836 is 19.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×16/36 21/84×8/36 21/42×8/72 63/42×8/36 21/42×24/36 21/42×40/36 21/42×56/36
© everydaycalculation.com