Add 15/8 and 7/30
1st number: 1 7/8, 2nd number: 7/30
15/8 + 7/30 is 253/120.
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,
15/8 = 15 × 15/8 × 15 = 225/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
7/30 = 7 × 4/30 × 4 = 28/120 - Add the two like fractions:
225/120 + 28/120 = 225 + 28/120 = 253/120 - So, 15/8 + 7/30 = 253/120
In mixed form: 213/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8+7/30 15/8+14/30 15/16+7/30 15/8+7/60 45/8+7/30 15/8+21/30 15/24+7/30 15/8+7/90 75/8+7/30 15/8+35/30 15/40+7/30 15/8+49/30 15/56+7/30