Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/70 of 4/56?"
2170 × 456 is 3140.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70×4/56 21/70×8/56 63/70×4/56 21/70×12/56 21/70×20/56 21/70×28/56
© everydaycalculation.com