Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/70 of 15/60?"
4070 × 1560 is 17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70×15/60 40/70×30/60 40/70×45/60 40/70×75/60
© everydaycalculation.com