Solutions by everydaycalculation.com
445 + 4045 is 4445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+40/45 4/45+80/45 4/90+40/45 4/45+40/90 12/45+40/45 20/45+40/45 28/45+40/45
© everydaycalculation.com