Add 18/15 and 80/24
1st number: 1 3/15, 2nd number: 3 8/24
18/15 + 80/24 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
18/15 = 18 × 8/15 × 8 = 144/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
80/24 = 80 × 5/24 × 5 = 400/120 - Add the two like fractions:
144/120 + 400/120 = 144 + 400/120 = 544/120 - 544/120 simplified gives 68/15
- So, 18/15 + 80/24 = 68/15
In mixed form: 48/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15+80/24 18/30+80/24 18/15+80/48 54/15+80/24 18/45+80/24 18/15+80/72 90/15+80/24 18/75+80/24