Add 25/8 and 4/30
1st number: 3 1/8, 2nd number: 4/30
25/8 + 4/30 is 391/120.
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,
4/30 = 4 × 4/30 × 4 = 16/120 - Add the two like fractions:
375/120 + 16/120 = 375 + 16/120 = 391/120 - So, 25/8 + 4/30 = 391/120
In mixed form: 331/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+4/30 25/8+8/30 25/16+4/30 25/8+4/60 75/8+4/30 25/8+12/30 25/24+4/30 25/8+4/90 25/8+20/30 25/40+4/30 25/8+28/30 25/56+4/30