Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/80 of 45/70?"
4280 × 4570 is 2780.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80×45/70 42/80×90/70
© everydaycalculation.com