Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 10/21
This multiplication involving fractions can also be rephrased as "What is 42/10 of 10/21?"
4210 × 1021 is 21.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10×10/21 42/10×20/21 42/20×10/21 42/10×10/42 42/10×30/21 42/30×10/21 42/10×10/63 42/10×50/21 42/50×10/21 42/10×70/21 42/70×10/21
© everydaycalculation.com