Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 4/21
This multiplication involving fractions can also be rephrased as "What is 42/10 of 4/21?"
4210 × 421 is 45.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10×4/21 42/10×8/21 42/20×4/21 42/10×4/42 42/10×12/21 42/30×4/21 42/10×4/63 42/10×20/21 42/50×4/21 42/10×28/21 42/70×4/21
© everydaycalculation.com