Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/72 of 35/70?"
2072 × 3570 is 536.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/72×35/70 60/72×35/70
© everydaycalculation.com