Solutions by everydaycalculation.com
3090 - 1590 is 16.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90-15/90 30/90-30/90 30/90-45/90 30/90-75/90
© everydaycalculation.com