Solutions by everydaycalculation.com
1642 + 2042 is 67.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42+20/42 16/42+40/42 16/84+20/42 16/42+20/84 48/42+20/42 16/42+60/42 80/42+20/42
© everydaycalculation.com