Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 9/10
2120 - 910 is 320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/20-9/10 21/20-18/10 21/40-9/10 21/20-9/20 63/20-9/10 21/20-27/10 21/60-9/10 21/20-9/30 21/20-45/10 21/20-9/50 21/20-63/10 21/20-9/70
© everydaycalculation.com