Solutions by everydaycalculation.com
1st number: 12/20, 2nd number: 1 8/10
1220 - 1810 is -65.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-18/10 12/20-36/10 12/40-18/10 12/20-18/20 36/20-18/10 12/20-54/10 12/60-18/10 12/20-18/30 60/20-18/10 12/20-90/10 12/20-18/50 84/20-18/10 12/20-18/70
© everydaycalculation.com