Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/12 of 40/70?"
312 × 4070 is 17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12×40/70 3/12×80/70 3/24×40/70 9/12×40/70 3/36×40/70 15/12×40/70 3/60×40/70 21/12×40/70 3/84×40/70
© everydaycalculation.com