Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/21 of 7/90?"
421 × 790 is 2135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21×7/90 4/21×14/90 4/42×7/90 12/21×7/90 4/21×21/90 4/63×7/90 20/21×7/90 4/21×35/90 28/21×7/90 4/21×49/90
© everydaycalculation.com