Add 25/8 and 7/80
1st number: 3 1/8, 2nd number: 7/80
25/8 + 7/80 is 257/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
25/8 = 25 × 10/8 × 10 = 250/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Add the two like fractions:
250/80 + 7/80 = 250 + 7/80 = 257/80 - So, 25/8 + 7/80 = 257/80
In mixed form: 317/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+7/80 25/8+14/80 25/16+7/80 75/8+7/80 25/8+21/80 25/24+7/80 25/8+35/80 25/40+7/80 25/8+49/80 25/56+7/80