Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/42 of 21/60?"
342 × 2160 is 140.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42×21/60 3/42×42/60 3/84×21/60 9/42×21/60 3/42×63/60 15/42×21/60 21/42×21/60
© everydaycalculation.com