Solutions by everydaycalculation.com
645 + 1645 is 2245.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+16/45 6/45+32/45 6/90+16/45 6/45+16/90 18/45+16/45 6/45+48/45 30/45+16/45 6/45+80/45 42/45+16/45
© everydaycalculation.com