Solutions by everydaycalculation.com
830 + 2130 is 2930.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+21/30 8/30+42/30 8/60+21/30 8/30+21/60 24/30+21/30 8/30+63/30 8/90+21/30 8/30+21/90 40/30+21/30 56/30+21/30
© everydaycalculation.com