Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/9 of 42/90?"
39 × 4290 is 745.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9×42/90 3/9×84/90 3/18×42/90 3/27×42/90 15/9×42/90 3/45×42/90 21/9×42/90 3/63×42/90
© everydaycalculation.com