Solutions by everydaycalculation.com
1st number: 2 10/40, 2nd number: 1 10/40
9040 + 5040 is 72.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+50/40 90/40+50/80
© everydaycalculation.com