Solutions by everydaycalculation.com
1090 - 3590 is -518.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-35/90 10/90-70/90 30/90-35/90 50/90-35/90 70/90-35/90
© everydaycalculation.com