Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/21 of 7/90?"
621 × 790 is 145.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21×7/90 6/21×14/90 6/42×7/90 18/21×7/90 6/21×21/90 6/63×7/90 30/21×7/90 6/21×35/90 42/21×7/90 6/21×49/90
© everydaycalculation.com