Solutions by everydaycalculation.com
670 - 2870 is -1135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-28/70 6/70-56/70 18/70-28/70 6/70-84/70 30/70-28/70 42/70-28/70
© everydaycalculation.com