Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/28 of 7/21?"
728 × 721 is 112.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28×7/21 7/28×14/21 7/56×7/21 7/28×7/42 21/28×7/21 7/84×7/21 7/28×7/63 35/28×7/21 7/28×35/21 49/28×7/21 7/28×49/21
© everydaycalculation.com