Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/10 of 40/70?"
510 × 4070 is 27.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10×80/70 5/20×40/70 15/10×40/70 5/30×40/70 25/10×40/70 5/50×40/70 35/10×40/70 5/70×40/70
© everydaycalculation.com