Solutions by everydaycalculation.com
518 - 1230 is -1190.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-12/30 5/18-24/30 5/36-12/30 5/18-12/60 15/18-12/30 5/18-36/30 5/54-12/30 5/18-12/90 25/18-12/30 5/18-60/30 5/90-12/30 35/18-12/30 5/18-84/30
© everydaycalculation.com