Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/70 of 42/90?"
1870 × 4290 is 325.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70×42/90 18/70×84/90 54/70×42/90 90/70×42/90
© everydaycalculation.com