Solutions by everydaycalculation.com
1830 + 2130 is 1310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+21/30 18/30+42/30 18/60+21/30 18/30+21/60 54/30+21/30 18/30+63/30 18/90+21/30 18/30+21/90 90/30+21/30
© everydaycalculation.com