Solutions by everydaycalculation.com
121 - 512 is -3184.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21-5/12 1/21-10/12 1/42-5/12 1/21-5/24 3/21-5/12 1/21-15/12 1/63-5/12 1/21-5/36 5/21-5/12 1/21-25/12 1/21-5/60 7/21-5/12 1/21-35/12 1/21-5/84
© everydaycalculation.com