Solutions by everydaycalculation.com
830 - 2530 is -1730.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-25/30 8/30-50/30 8/60-25/30 8/30-25/60 24/30-25/30 8/30-75/30 8/90-25/30 8/30-25/90 40/30-25/30 56/30-25/30
© everydaycalculation.com