Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 48/63?"
2142 × 4863 is 821.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×96/63 21/84×48/63 63/42×48/63
© everydaycalculation.com