Solutions by everydaycalculation.com
1st number: 1 10/20, 2nd number: 4 10/20
3020 - 9020 is -31.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-90/20 30/40-90/20 30/20-90/40 90/20-90/20 30/60-90/20 30/20-90/60
© everydaycalculation.com