Solutions by everydaycalculation.com
190 - 690 is -118.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-6/90 1/90-12/90 3/90-6/90 1/90-18/90 5/90-6/90 1/90-30/90 7/90-6/90 1/90-42/90
© everydaycalculation.com