Solutions by everydaycalculation.com
1st number: 2 3/21, 2nd number: 12/90
This multiplication involving fractions can also be rephrased as "What is 45/21 of 12/90?"
4521 × 1290 is 27.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21×12/90 45/21×24/90 45/42×12/90 45/21×36/90 45/63×12/90 45/21×60/90 45/21×84/90
© everydaycalculation.com