Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/70 of 2/21?"
4070 × 221 is 8147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70×2/21 40/70×4/21 40/70×2/42 40/70×6/21 40/70×2/63 40/70×10/21 40/70×14/21
© everydaycalculation.com