Solutions by everydaycalculation.com
118 - 818 is -718.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-8/18 1/18-16/18 1/36-8/18 1/18-8/36 3/18-8/18 1/18-24/18 1/54-8/18 1/18-8/54 5/18-8/18 1/18-40/18 1/90-8/18 1/18-8/90 7/18-8/18 1/18-56/18
© everydaycalculation.com