Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/80 of 6/42?"
4280 × 642 is 340.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80×6/42 42/80×12/42 42/80×6/84 42/80×18/42 42/80×30/42
© everydaycalculation.com