Solutions by everydaycalculation.com
1272 + 2172 is 1124.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/72+21/72 12/72+42/72 36/72+21/72 12/72+63/72 60/72+21/72 84/72+21/72
© everydaycalculation.com