Add 12/15 and 48/18
1st number: 12/15, 2nd number: 2 12/18
12/15 + 48/18 is 52/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
12/15 = 12 × 6/15 × 6 = 72/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
48/18 = 48 × 5/18 × 5 = 240/90 - Add the two like fractions:
72/90 + 240/90 = 72 + 240/90 = 312/90 - 312/90 simplified gives 52/15
- So, 12/15 + 48/18 = 52/15
In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+48/18 12/15+96/18 12/30+48/18 12/15+48/36 36/15+48/18 12/45+48/18 12/15+48/54 60/15+48/18 12/75+48/18 12/15+48/90 84/15+48/18