Solutions by everydaycalculation.com
5663 + 663 is 6263.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+12/63 56/63+18/63 56/63+30/63 56/63+42/63
© everydaycalculation.com