Solutions by everydaycalculation.com
1st number: 12/30, 2nd number: 1 18/30
1230 + 4830 is 21.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+48/30 12/30+96/30 12/60+48/30 12/30+48/60 36/30+48/30 12/90+48/30 12/30+48/90 60/30+48/30 84/30+48/30
© everydaycalculation.com