Solutions by everydaycalculation.com
1418 - 1518 is -118.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18-15/18 14/18-30/18 14/36-15/18 14/18-15/36 42/18-15/18 14/18-45/18 14/54-15/18 14/18-15/54 70/18-15/18 14/18-75/18 14/90-15/18 14/18-15/90 98/18-15/18
© everydaycalculation.com