Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/10 of 42/80?"
910 × 4280 is 189400.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10×42/80 9/10×84/80 9/20×42/80 27/10×42/80 9/30×42/80 45/10×42/80 9/50×42/80 63/10×42/80 9/70×42/80
© everydaycalculation.com