Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/80 of 42/70?"
4280 × 4270 is 63200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80×42/70 42/80×84/70
© everydaycalculation.com