Solutions by everydaycalculation.com
8490 - 290 is 4145.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90-4/90 84/90-6/90 84/90-10/90 84/90-14/90
© everydaycalculation.com