Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 4/56?"
2130 × 456 is 120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×4/56 21/30×8/56 21/60×4/56 63/30×4/56 21/30×12/56 21/90×4/56 21/30×20/56 21/30×28/56
© everydaycalculation.com