Solutions by everydaycalculation.com
970 - 3070 is -310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70-30/70 9/70-60/70 27/70-30/70 9/70-90/70 45/70-30/70 63/70-30/70
© everydaycalculation.com