Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/63 of 40/70?"
4263 × 4070 is 821.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63×40/70 42/63×80/70
© everydaycalculation.com