Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 4/90?"
2130 × 490 is 7225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×4/90 21/30×8/90 21/60×4/90 63/30×4/90 21/30×12/90 21/90×4/90 21/30×20/90 21/30×28/90
© everydaycalculation.com