Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/20 of 40/70?"
320 × 4070 is 335.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20×40/70 3/20×80/70 3/40×40/70 9/20×40/70 3/60×40/70 15/20×40/70 21/20×40/70
© everydaycalculation.com