Solutions by everydaycalculation.com
1st number: 1 4/8, 2nd number: 5/10
128 + 510 is 21.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+5/10 12/16+5/10 12/8+5/20 36/8+5/10 12/8+15/10 12/24+5/10 12/8+5/30 60/8+5/10 12/8+25/10 12/40+5/10 12/8+5/50 84/8+5/10 12/8+35/10 12/56+5/10 12/8+5/70
© everydaycalculation.com