Solutions by everydaycalculation.com
730 - 2030 is -1330.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-20/30 7/30-40/30 7/60-20/30 7/30-20/60 21/30-20/30 7/30-60/30 7/90-20/30 7/30-20/90 35/30-20/30 49/30-20/30
© everydaycalculation.com