Solutions by everydaycalculation.com
8490 + 990 is 3130.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+18/90 84/90+27/90 84/90+45/90 84/90+63/90
© everydaycalculation.com