Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/10 of 42/90?"
310 × 4290 is 750.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10×42/90 3/10×84/90 3/20×42/90 9/10×42/90 3/30×42/90 15/10×42/90 3/50×42/90 21/10×42/90 3/70×42/90
© everydaycalculation.com