Add 28/8 and 80/25
1st number: 3 4/8, 2nd number: 3 5/25
28/8 + 80/25 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
28/8 = 28 × 25/8 × 25 = 700/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
80/25 = 80 × 8/25 × 8 = 640/200 - Add the two like fractions:
700/200 + 640/200 = 700 + 640/200 = 1340/200 - 1340/200 simplified gives 67/10
- So, 28/8 + 80/25 = 67/10
In mixed form: 67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+80/25 28/16+80/25 28/8+80/50 84/8+80/25 28/24+80/25 28/8+80/75 28/40+80/25 28/56+80/25