Solutions by everydaycalculation.com
110 - 520 is -320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-5/20 1/10-10/20 1/20-5/20 1/10-5/40 3/10-5/20 1/10-15/20 1/30-5/20 1/10-5/60 5/10-5/20 1/10-25/20 1/50-5/20 7/10-5/20 1/10-35/20 1/70-5/20
© everydaycalculation.com