Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/42 of 21/70?"
4042 × 2170 is 27.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42×21/70 40/42×42/70 40/84×21/70 40/42×63/70
© everydaycalculation.com