Solutions by everydaycalculation.com
1242 + 1042 is 1121.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+10/42 12/42+20/42 12/84+10/42 12/42+10/84 36/42+10/42 12/42+30/42 60/42+10/42 12/42+50/42 84/42+10/42 12/42+70/42
© everydaycalculation.com