Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/40 of 3/90?"
640 × 390 is 1200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40×3/90 6/40×6/90 6/80×3/90 18/40×3/90 6/40×9/90 30/40×3/90 6/40×15/90 42/40×3/90 6/40×21/90
© everydaycalculation.com