Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/45 of 30/40?"
4245 × 3040 is 710.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45×30/40 42/45×60/40 42/90×30/40 42/45×30/80 42/45×90/40
© everydaycalculation.com