Solutions by everydaycalculation.com
8490 - 690 is 1315.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90-12/90 84/90-18/90 84/90-30/90 84/90-42/90
© everydaycalculation.com