Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 4 0/10
4210 + 4010 is 415.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+40/10 42/10+80/10 42/20+40/10 42/10+40/20 42/30+40/10 42/10+40/30 42/50+40/10 42/10+40/50 42/70+40/10 42/10+40/70
© everydaycalculation.com