Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/60 of 12/80?"
4260 × 1280 is 21200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60×12/80 42/60×24/80 42/60×36/80 42/60×60/80 42/60×84/80
© everydaycalculation.com