Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/50 of 12/70?"
4250 × 1270 is 18125.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50×12/70 42/50×24/70 42/50×36/70 42/50×60/70 42/50×84/70
© everydaycalculation.com