Solutions by everydaycalculation.com
45 - 89 is -445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5-8/9 4/5-16/9 4/10-8/9 4/5-8/18 12/5-8/9 4/5-24/9 4/15-8/9 4/5-8/27 20/5-8/9 4/5-40/9 4/25-8/9 4/5-8/45 28/5-8/9 4/5-56/9 4/35-8/9 4/5-8/63
© everydaycalculation.com