Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 14/21?"
2160 × 1421 is 730.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60×14/21 21/60×28/21 21/60×14/42 63/60×14/21 21/60×42/21 21/60×14/63 21/60×70/21 21/60×98/21
© everydaycalculation.com