Solutions by everydaycalculation.com
1st number: 1 10/70, 2nd number: 1/70
8070 - 170 is 7970.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70-2/70 80/70-3/70 80/70-5/70 80/70-7/70
© everydaycalculation.com