Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/70 of 28/80?"
4270 × 2880 is 21100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70×28/80 42/70×56/80 42/70×84/80
© everydaycalculation.com