Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 12/48?"
2142 × 1248 is 18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×24/48 21/84×12/48 21/42×12/96 63/42×12/48 21/42×36/48 21/42×60/48 21/42×84/48
© everydaycalculation.com