Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/20 of 42/80?"
920 × 4280 is 189800.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20×42/80 9/20×84/80 9/40×42/80 27/20×42/80 9/60×42/80 45/20×42/80 63/20×42/80
© everydaycalculation.com