Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 21/50?"
2142 × 2150 is 21100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×42/50 21/84×21/50 63/42×21/50 21/42×63/50
© everydaycalculation.com