Solutions by everydaycalculation.com
1st number: 1 3/15, 2nd number: 21/90
This multiplication involving fractions can also be rephrased as "What is 18/15 of 21/90?"
1815 × 2190 is 725.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15×21/90 18/15×42/90 18/30×21/90 54/15×21/90 18/15×63/90 18/45×21/90 90/15×21/90 18/75×21/90
© everydaycalculation.com