Solutions by everydaycalculation.com
130 - 2130 is -23.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-21/30 1/30-42/30 1/60-21/30 1/30-21/60 3/30-21/30 1/30-63/30 1/90-21/30 1/30-21/90 5/30-21/30 7/30-21/30
© everydaycalculation.com