Solutions by everydaycalculation.com
2170 - 570 is 835.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70-5/70 21/70-10/70 63/70-5/70 21/70-15/70 21/70-25/70 21/70-35/70
© everydaycalculation.com