Add 25/8 and 7/30
1st number: 3 1/8, 2nd number: 7/30
25/8 + 7/30 is 403/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
25/8 = 25 × 15/8 × 15 = 375/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
7/30 = 7 × 4/30 × 4 = 28/120 - Add the two like fractions:
375/120 + 28/120 = 375 + 28/120 = 403/120 - So, 25/8 + 7/30 = 403/120
In mixed form: 343/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+7/30 25/8+14/30 25/16+7/30 25/8+7/60 75/8+7/30 25/8+21/30 25/24+7/30 25/8+7/90 25/8+35/30 25/40+7/30 25/8+49/30 25/56+7/30