Add 20/15 and 60/8
1st number: 1 5/15, 2nd number: 7 4/8
20/15 + 60/8 is 53/6.
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,
60/8 = 60 × 15/8 × 15 = 900/120 - Add the two like fractions:
160/120 + 900/120 = 160 + 900/120 = 1060/120 - 1060/120 simplified gives 53/6
- So, 20/15 + 60/8 = 53/6
In mixed form: 85/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+60/8 20/30+60/8 20/15+60/16 60/15+60/8 20/45+60/8 20/15+60/24 20/75+60/8 20/15+60/40 20/15+60/56