Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 81/90 of 4/9?"
8190 × 49 is 25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/90×8/9 81/90×4/18 81/90×12/9 81/90×4/27 81/90×20/9 81/90×4/45 81/90×28/9 81/90×4/63
© everydaycalculation.com