Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 14/28 of 14/21?"
1428 × 1421 is 13.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28×28/21 14/56×14/21 14/28×14/42 42/28×14/21 14/28×42/21 14/84×14/21 14/28×14/63 70/28×14/21 14/28×70/21 98/28×14/21 14/28×98/21
© everydaycalculation.com