Solutions by everydaycalculation.com
1263 + 2163 is 1121.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63+21/63 12/63+42/63 36/63+21/63 60/63+21/63 84/63+21/63
© everydaycalculation.com