Add 80/50 and 30/80
1st number: 1 30/50, 2nd number: 30/80
80/50 + 30/80 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
80/50 = 80 × 8/50 × 8 = 640/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
30/80 = 30 × 5/80 × 5 = 150/400 - Add the two like fractions:
640/400 + 150/400 = 640 + 150/400 = 790/400 - 790/400 simplified gives 79/40
- So, 80/50 + 30/80 = 79/40
In mixed form: 139/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50+60/80 80/50+90/80