Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/90 of 27/40?"
2190 × 2740 is 63400.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/90×27/40 21/90×54/40 21/90×27/80 63/90×27/40 21/90×81/40
© everydaycalculation.com