Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/5 of 12/90?"
45 × 1290 is 875.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5×12/90 4/5×24/90 4/10×12/90 12/5×12/90 4/5×36/90 4/15×12/90 20/5×12/90 4/5×60/90 4/25×12/90 28/5×12/90 4/5×84/90 4/35×12/90
© everydaycalculation.com