Solutions by everydaycalculation.com
130 - 810 is -2330.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-8/10 1/30-16/10 1/60-8/10 1/30-8/20 3/30-8/10 1/30-24/10 1/90-8/10 1/30-8/30 5/30-8/10 1/30-40/10 1/30-8/50 7/30-8/10 1/30-56/10 1/30-8/70
© everydaycalculation.com