Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/70 of 24/36?"
4070 × 2436 is 821.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70×24/36 40/70×48/36 40/70×24/72 40/70×72/36
© everydaycalculation.com