Solutions by everydaycalculation.com
445 - 845 is -445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-8/45 4/45-16/45 4/90-8/45 4/45-8/90 12/45-8/45 4/45-24/45 20/45-8/45 4/45-40/45 28/45-8/45 4/45-56/45
© everydaycalculation.com