Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/14 of 40/70?"
314 × 4070 is 649.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14×40/70 3/14×80/70 3/28×40/70 9/14×40/70 3/42×40/70 15/14×40/70 3/70×40/70 21/14×40/70 3/98×40/70
© everydaycalculation.com