Solutions by everydaycalculation.com
1st number: 10/80, 2nd number: 1 1/80
1080 - 8180 is -7180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80-81/80 30/80-81/80 50/80-81/80 70/80-81/80
© everydaycalculation.com