Solutions by everydaycalculation.com
1221 - 89 is -2063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21-8/9 12/21-16/9 12/42-8/9 12/21-8/18 36/21-8/9 12/21-24/9 12/63-8/9 12/21-8/27 60/21-8/9 12/21-40/9 12/21-8/45 84/21-8/9 12/21-56/9 12/21-8/63
© everydaycalculation.com