Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/21 of 7/28?"
421 × 728 is 121.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21×7/28 4/21×14/28 4/42×7/28 4/21×7/56 12/21×7/28 4/21×21/28 4/63×7/28 4/21×7/84 20/21×7/28 4/21×35/28 28/21×7/28 4/21×49/28
© everydaycalculation.com