Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/42 of 21/80?"
342 × 2180 is 3160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42×21/80 3/42×42/80 3/84×21/80 9/42×21/80 3/42×63/80 15/42×21/80 21/42×21/80
© everydaycalculation.com