Solutions by everydaycalculation.com
1st number: 1 4/21, 2nd number: 21/90
This multiplication involving fractions can also be rephrased as "What is 25/21 of 21/90?"
2521 × 2190 is 518.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21×21/90 25/21×42/90 25/42×21/90 75/21×21/90 25/21×63/90 25/63×21/90
© everydaycalculation.com