Add 30/8 and 50/15
1st number: 3 6/8, 2nd number: 3 5/15
30/8 + 50/15 is 85/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
30/8 = 30 × 15/8 × 15 = 450/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
50/15 = 50 × 8/15 × 8 = 400/120 - Add the two like fractions:
450/120 + 400/120 = 450 + 400/120 = 850/120 - 850/120 simplified gives 85/12
- So, 30/8 + 50/15 = 85/12
In mixed form: 71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+50/15 30/16+50/15 30/8+50/30 90/8+50/15 30/24+50/15 30/8+50/45 30/40+50/15 30/8+50/75 30/56+50/15