Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/40 of 18/27?"
2140 × 1827 is 720.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/40×18/27 21/40×36/27 21/80×18/27 21/40×18/54 63/40×18/27 21/40×54/27 21/40×18/81 21/40×90/27
© everydaycalculation.com