Solutions by everydaycalculation.com
6090 - 1290 is 815.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90-24/90 60/90-36/90 60/90-60/90 60/90-84/90
© everydaycalculation.com