Add 20/15 and 1/8
1st number: 1 5/15, 2nd number: 1/8
20/15 + 1/8 is 35/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
20/15 = 20 × 8/15 × 8 = 160/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
1/8 = 1 × 15/8 × 15 = 15/120 - Add the two like fractions:
160/120 + 15/120 = 160 + 15/120 = 175/120 - 175/120 simplified gives 35/24
- So, 20/15 + 1/8 = 35/24
In mixed form: 111/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+1/8 20/15+2/8 20/30+1/8 20/15+1/16 60/15+1/8 20/15+3/8 20/45+1/8 20/15+1/24 20/15+5/8 20/75+1/8 20/15+1/40 20/15+7/8 20/15+1/56