Add 12/48 and 15/18
12/48 + 15/18 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
12/48 = 12 × 3/48 × 3 = 36/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
15/18 = 15 × 8/18 × 8 = 120/144 - Add the two like fractions:
36/144 + 120/144 = 36 + 120/144 = 156/144 - 156/144 simplified gives 13/12
- So, 12/48 + 15/18 = 13/12
In mixed form: 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/48+15/18 12/48+30/18 12/96+15/18 12/48+15/36 36/48+15/18 12/48+45/18 12/48+15/54 60/48+15/18 12/48+75/18 12/48+15/90 84/48+15/18