Add 3/45 and 14/12
1st number: 3/45, 2nd number: 1 2/12
3/45 + 14/12 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
3/45 = 3 × 4/45 × 4 = 12/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
14/12 = 14 × 15/12 × 15 = 210/180 - Add the two like fractions:
12/180 + 210/180 = 12 + 210/180 = 222/180 - 222/180 simplified gives 37/30
- So, 3/45 + 14/12 = 37/30
In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+14/12 3/45+28/12 3/90+14/12 3/45+14/24 9/45+14/12 3/45+42/12 3/45+14/36 15/45+14/12 3/45+70/12 3/45+14/60 21/45+14/12 3/45+98/12 3/45+14/84