Solutions by everydaycalculation.com
270 - 1270 is -17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-12/70 2/70-24/70 6/70-12/70 2/70-36/70 10/70-12/70 2/70-60/70 14/70-12/70 2/70-84/70
© everydaycalculation.com