Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/40 of 7/90?"
640 × 790 is 7600.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40×7/90 6/40×14/90 6/80×7/90 18/40×7/90 6/40×21/90 30/40×7/90 6/40×35/90 42/40×7/90 6/40×49/90
© everydaycalculation.com