Solutions by everydaycalculation.com
221 - 56 is -3142.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21-5/6 2/21-10/6 2/42-5/6 2/21-5/12 6/21-5/6 2/21-15/6 2/63-5/6 2/21-5/18 10/21-5/6 2/21-25/6 2/21-5/30 14/21-5/6 2/21-35/6 2/21-5/42
© everydaycalculation.com