Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/40 of 84/90?"
340 × 8490 is 7100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40×84/90 3/80×84/90 9/40×84/90 15/40×84/90 21/40×84/90
© everydaycalculation.com