Solutions by everydaycalculation.com
2130 - 930 is 25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30-9/30 21/30-18/30 21/60-9/30 21/30-9/60 63/30-9/30 21/30-27/30 21/90-9/30 21/30-9/90 21/30-45/30 21/30-63/30
© everydaycalculation.com